Korea — Distances & Travel Times

Reference for the Apr 15–29, 2026 trip. Two sections:

1. In-Seoul distances from your Myeongdong hostel (§1)
2. Inter-city and day-trip distances from Seoul Station (§3 onwards)

Fares are rates as of 2025 (live search unavailable in this session — verify at the sources listed at the end before booking). USD conversions at ₩1,350 = $1.

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1. In-Seoul distances — from Hithere City Myeongdong

Your base: Hithere City Myeongdong, 5th Floor, 31 Myeongdong 4-gil, Jung-gu. Closest subway: Myeongdong Station (Line 4) — ~2–3 min walk, exits 5/6/8. Also in walking range: Euljiro 1-ga (Line 2, ~6 min), Euljiro 3-ga (Lines 2 & 3, ~10 min), Chungmuro (Lines 3 & 4, ~8 min), Seoul Station (Line 1/4 + AREX, ~15 min walk or 1 subway stop).

This hostel position is excellent — you're inside the subway diamond formed by Lines 1/2/3/4, which means almost everywhere in Seoul is 1 transfer or less.

Walking distance (under 20 min, no subway)

Destination	Walk	What it is
Namdaemun Market	8 min	Seoul's oldest market, cheap street food, pots and pans
Cheonggyecheon stream	5 min	Restored urban stream, walkable riverside path
Euljiro "Hipster Alley"	10 min	Nogari-golmok, craft beer, printing-shop bars
Seoul City Hall + Deoksugung palace	10 min	Smallest of the 5 Seoul palaces
N Seoul Tower (Namsan base)	15 min to cable-car	Namsan peak via cable car / stairs
Myeongdong Cathedral	3 min	Gothic cathedral, photogenic
Seoul Station (for AREX to ICN)	15 min	Airport train terminal
Gwanghwamun Plaza + Gyeongbokgung	20 min	Main palace, changing of guard
Bukchon Hanok Village	25 min	Traditional houses between palaces

One subway ride (under 20 min, no transfer)

Destination	Route	Time
Seoul Station (AREX to ICN)	Line 4 south, 1 stop	3 min
Dongdaemun (DDP)	Line 4 northeast, 5 stops	10 min
Chungmuro (Namsangol Hanok Village)	Line 4, 1 stop	2 min
Hoehyeon (Shinsegae Namdaemun)	Line 4, 1 stop	2 min
Samgakji (War Memorial, Dragon Hill Spa area)	Line 4, 3 stops	6 min
Dongguk University / Chungmuro area	Line 4	4 min
Seongsu (via Euljiro 1-ga Line 2)	Line 2, 5 stops	15 min
Hongik University (Hongdae)	Line 2 from Euljiro 1-ga, 7 stops	20 min
Konkuk Univ (Common Ground)	Line 2 from Euljiro 1-ga, 8 stops	22 min
Gangnam Station	Line 2 from Euljiro 1-ga, 10 stops	25 min
Jamsil (Lotte World, Tower)	Line 2 from Euljiro 1-ga	30 min

One transfer (20–35 min)

Destination	Route	Time
LoL Park (Jonggak Station)	Walk 10 min OR Line 4 → Line 1 at Seoul Stn	10–12 min
Yongsan Station / I'Park Mall / Dragon Hill Spa	Line 4 → Line 1 at Seoul Stn	15 min
Ikseon-dong / Jongno 3-ga	Line 4 → Line 3 at Chungmuro, 1 stop	10 min
Anguk (Bukchon Hanok, MMCA)	Line 4 → Line 3 at Chungmuro	12 min
Samseong (COEX, Starfield Library)	Line 2 direct from Euljiro 1-ga	28 min
Yeouido (The Hyundai Seoul, IFC Mall)	Line 4 → Line 5 at Dongdaemun Hist. Cult. Park	25 min
Gocheok Sky Dome (Kiwoom Heroes KBO)	Line 4 → Line 1 at Seoul Stn	30 min
Jamsil Stadium (LG/Doosan KBO)	Line 2 direct from Euljiro 1-ga	28 min
Suwon Hwaseong Fortress	Line 1 from Seoul Stn	55 min total

Two transfers or further (35 min+)

Destination	Route	Time
KINTEX / Hyundai Motorstudio Goyang	Line 4 → Line 3 at Chungmuro → to Daehwa	70 min
ICN Airport (AREX Express)	walk/Line 4 to Seoul Stn + AREX	50 min
ICN Airport (AREX All-Stop)	walk/Line 4 to Seoul Stn + AREX local	65 min
Gimpo Airport (GMP, for Jeju hops)	Line 4 → Line 5 at Dongdaemun HCP	50 min
Pangyo / Bundang (Naver 1784)	Line 4 → Line 2 at Sadang or Seoul Stn → Shinbundang	55 min
Gran Seoul/LoL Park on match night	Walk 12–15 min (skip the subway)	—

How to travel around

• T-money card — buy at any convenience store (~₩3,000 empty + load). Tap in/out, ₩1,400 base fare per ride + ~₩100/5km extra. Transfers free within 30 min.
• Climate Card (기후동행카드) — ₩65,000/30-day or shorter passes for unlimited Seoul metro + bus. Worth it if you're riding 4+ times per day for a full week. Does not cover AREX to/from ICN.
• Kakao T — default taxi app. Accepts foreign cards. From Myeongdong to Gangnam ~₩15,000 (20 min no traffic); to Hongdae ~₩12,000 (15 min); to ICN ~₩70,000 (55 min + toll).
• Walking — most of central Seoul (palaces, DDP, Cheonggyecheon) is within 30 min walk of your base. Korean sidewalks are good.

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2. How Korea is shaped spatially

South Korea is small and linear. The country runs roughly 400 km north–south and 300 km east–west — about the footprint of Portugal, or Indiana. Seoul sits in the far northwest, 40 km from the DMZ and 30 km from the Yellow Sea coast, with half the national population packed into the metro area. Nearly every destination tourists care about is either (a) south of Seoul down the Gyeongbu corridor (Daejeon → Daegu → Gyeongju → Busan), (b) east into the mountains and coast (Gapyeong → Chuncheon → Pyeongchang → Gangneung → Sokcho), or (c) a short hop northwest (Paju, DMZ, Incheon).

The Seoul–Busan axis is the spine: 325 km end-to-end, 2h30–2h50 by KTX/SRT. Gyeongju and Daegu sit roughly two-thirds of the way down that line. Jeonju branches off southwest; Gangneung and Sokcho branch east. Jeju is a separate island 450 km south — domestic flight only, 60–70 min from Gimpo (GMP). The useful mental model: nothing on the mainland is more than ~3 hours from Seoul by fast train, so multi-night side trips are a choice, not a necessity.

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3. Master travel table — from Seoul Station

Destination	Dist (km)	Fastest transport	Duration	One-way (KRW / USD)	Recommend
Incheon Airport (ICN)	58	AREX Express	43 min	₩11,000 / ~$8	—
Incheon / Songdo / Chinatown	40	Subway Line 1 to Incheon Stn	70 min	₩1,950 / ~$1.50	Day trip
Suwon (Hwaseong)	35	Line 1 subway or ITX-Saemaul from Seoul Stn	30–55 min	₩1,950–₩4,800 / $1.50–4	Day trip
Goyang / KINTEX / Hyundai Motorstudio	20	Line 3 to Daehwa	50 min	₩1,700 / ~$1.30	Day trip (half-day)
Paju Book City / Heyri	40	Bus 2200 from Hapjeong, or Gyeongui–Jungang line + bus	70–90 min	₩3,000 / ~$2.50	Day trip
DMZ (Imjingak / 3rd Tunnel)	55	Organized tour (pickup in Seoul)	8–10 hr round-trip	₩70–120k / $50–90	Day trip (tour only)
Nami Island + Morning Calm (Gapyeong)	60	ITX-Cheongchun from Yongsan/Cheongnyangni to Gapyeong	60–75 min	₩4,800–6,900 / $4–5	Day trip
Chuncheon	85	ITX-Cheongchun from Yongsan	80 min	₩9,800 / ~$7	Day trip
Pyeongchang	160	KTX Gyeonggang line to Jinbu	95 min	₩21,000 / ~$16	Overnight (winter) / day trip
Gangneung	165 (rail)	KTX from Seoul/Cheongnyangni	1h55–2h10	₩27,600 / ~$20	Overnight preferred
Sokcho (Seoraksan)	200	Express bus from Seoul Express Bus Terminal	2h15–2h30	₩18,900 / ~$14	Overnight
Daejeon (KAIST)	160	KTX Gyeongbu line	58 min	₩23,700 / ~$18	Day trip
Cheongju	115	Mugunghwa train or express bus	1h30–2h	₩8,400–11,500 / $6–9	Day trip
Jeonju (hanok village)	210	KTX to Iksan + transfer, or direct KTX	1h40–2h10	₩34,600 / ~$26	Overnight preferred
Daegu (Dongdaegu Stn)	290	KTX Gyeongbu line	1h40–1h55	₩43,500 / ~$32	Day trip / overnight
Gyeongju (Singyeongju Stn)	330	KTX to Singyeongju	2h05–2h20	₩49,500 / ~$37	Overnight (author: yes)
Busan (Haeundae)	325 (rail)	KTX to Busan Stn + Metro 2 to Haeundae	2h40 + 45 min	₩59,800 / ~$44	Multi-night
Yeosu	410	KTX Jeolla line to Yeosu-Expo	3h10–3h30	₩47,200 / ~$35	Multi-night
Jeju	450	Flight from GMP (preferred) or ICN	65–75 min	₩40–120k / $30–90	Multi-night
Pangyo / Bundang (Naver 1784)	25	Shinbundang line from Gangnam, or Bundang line	35–50 min	₩2,500 / ~$2	Half-day

Assumptions: adult one-way economy/standard fare, weekday, non-peak. Bus and subway fares largely fixed through 2026; KTX/SRT fares historically adjust ~2–5% yearly, so budget a small buffer.

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4. Seoul → Busan (Apr 21 departure, Apr 24 or 25 return)

KTX (Gyeongbu line) — from Seoul Station

• Route: Seoul → Gwangmyeong → Cheonan-Asan → Daejeon → Dongdaegu → Ulsan → Busan.
• Duration: 2h40 nonstop, 2h50–3h00 with more stops.
• Fare: ~₩59,800 economy, ₩83,700 first class (2025 rate — verify at letskorail.com).
• Frequency: every 15–30 min at peak, ~60+ departures a day.
• First train: ~05:15 Seoul → Busan. Last train: ~22:50.

SRT alternative — from Suseo Station (Gangnam-adjacent, Line 3 / Suinbundang)

• Duration: 2h30 (slightly faster — newer line via Suseo high-speed tunnel).
• Fare: ~₩52,800 economy (~10% cheaper than KTX).
• Catch: Suseo is 45 min from Hongdae/Jongno by subway. If you're staying central-north, the time saved on the train is eaten by the trip to Suseo. SRT wins if you're staying in Gangnam/Songpa; otherwise KTX from Seoul Station is easier.
• First train: ~05:05. Last train: ~23:00.

Booking: book ahead or walk up?

• Apr 21 (Tuesday) morning departure: Tuesday is the lightest travel day of the week. Morning KTX between 08:00–10:00 is popular with business travelers but almost never sells out the night before. Booking 2–3 days ahead is fine. Walk-up works if you flex ±1 train.
• Apr 24 (Friday) or Apr 25 (Saturday) return to Seoul: Friday evening and Sunday night are the genuinely busy slots going into Seoul — less so the reverse. Saturday midday back to Seoul from Busan will have wide availability. Book at least 2 days ahead to lock a window seat, but same-day economy is very likely available.
• Note: April is shoulder season in Korea — no major domestic holiday blocks Apr 21–25 (Children's Day is May 5). Cherry-blossom rush has mostly ended by mid-April.

Booking platforms

• letskorail.com — official KORAIL, English, no fee. Needs a card that works with Korean payment gateways; some foreign cards fail.
• etk.srail.kr — official SRT, English version exists but clunky. Same payment caveat.
• Klook / Trip.com — foreign-friendly, accept any Visa/MC, charge a ~5–10% markup. Worth it if KORAIL rejects your card.
• At the station: unmanned kiosks accept foreign cards inconsistently; the staffed window always works. Allow 15 min before departure.

KORAIL PASS — worth it for one round-trip?

Short answer: no.

• 2-day Flexi PASS (adult): ~₩131,000. 3-day consecutive: ~₩165,000. 2025 rates.
• Seoul–Busan round-trip on KTX = 2 × ₩59,800 = ₩119,600.
• The pass is cheaper only if you add a third KTX leg (e.g., Busan → Gyeongju → Seoul). If you do Busan + Gyeongju + one other KTX leg like Gangneung or Jeonju in the same pass window, it tips in favor.
• For your itinerary: if you're doing Seoul → Busan, then Busan → Gyeongju, then Gyeongju → Seoul all within a 2-day KORAIL PASS window, you net about ₩10–15k savings. Otherwise skip it.
• The pass does not cover SRT — KORAIL-only.

Mujeongseok (입석 — standing room)

If a train is sold out, you can buy mujeongseok (standing ticket) for ~15% off the seated fare. You ride in the vestibule or any empty seat until its holder boards. On Seoul–Busan this means ~2.5 hours of on-and-off standing. Fine for desperate cases, unpleasant with luggage. Available for KTX and SRT both.

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5. Busan → Gyeongju

• KTX (Busan → Singyeongju): 30–35 min, ~₩11,000. Singyeongju station is 15 km west of the historic center; requires bus 700 or taxi (~₩18,000) into town. ~20 departures/day.
• ITX-Saemaul / Mugunghwa (Bujeon Stn, Busan → Gyeongju Stn): 1h20–1h40, ~₩7,500–11,000. Old Gyeongju station is closer to the tomb park but service is reduced since KTX opened.
• Express bus (Busan Nopo Terminal → Gyeongju Express Bus Terminal): 1h00, ~₩5,500. Drops you closest to Bomun Lake area. Frequent, no booking needed.

Verdict: KTX for speed, bus for convenience to the sights. Many travelers do KTX out, bus back.

Overnight in Gyeongju: yes. Gyeongju is small enough that you can see the highlights (Daereungwon tombs, Cheomseongdae, Donggung palace/Wolji pond lit at night, Bulguksa + Seokguram) in a day — but Wolji pond at night is the single best thing in the city, and the last KTX back to Busan is around 22:00. Staying one night means you get the evening illumination, dinner in the old town, and morning Bulguksa before buses arrive. Book a hanok guesthouse in the Hwangnidan-gil area.

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6. Day-trip cluster groupings

Group destinations that share a direction so you're not zig-zagging:

NW cluster — Paju + DMZ

Both sit northwest of Seoul toward the North Korean border. Several tour operators (Koridoor, VIP Tours, Klook-listed) combine DMZ half-day + Paju Book City / Heyri Art Village in a single 10-hour trip. The DMZ portion must be booked ≥3 days ahead with passport number.

Gapyeong cluster — Nami + Garden of Morning Calm + Petite France

The classic K-drama loop. Gapyeong shuttle bus (₩6,000 day pass) connects all three from Gapyeong Station. Take ITX-Cheongchun from Yongsan (~75 min), hit Nami Island (2–3 hr), then Garden of Morning Calm or Petite France (2 hr), return by ~19:00. Avoid Saturdays — heaving.

South cluster — Suwon + Everland

Hwaseong Fortress in the morning (2–3 hr walk of the walls), then shuttle or taxi to Everland (15 km east) for afternoon/evening. Both are Gyeonggi-do; total day is doable but intense. Skip Everland if you have one day only — Hwaseong deserves an unhurried visit.

East cluster — Chuncheon + Nami

Chuncheon = dakgalbi lunch + Soyang Lake; Nami = afternoon. Both on the ITX-Cheongchun line. Chuncheon is the end of the line, Gapyeong (Nami) is 20 min before it. Do Chuncheon first (further out), Nami on the way back.

Line 3 NW cluster — Goyang

Hyundai Motorstudio Goyang (Wonheung stn) + Starfield Goyang + KINTEX are all within 3 km and all on or near Subway Line 3. Half-day trip. Pair with Paju if you're renting a car; otherwise separate days.

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7. Airport transfers

ICN → central Seoul

Option	Time	Fare (KRW)	Notes
AREX Express	43 min	₩11,000	Nonstop T1/T2 → Seoul Stn. Reserved seat. Every 25 min. Best default.
AREX All-Stop	58 min	₩4,750	Regular subway, 10 stops. Use T-money. Fine if you're arriving Hongdae/DMC.
KAL Limousine Bus	60–80 min	₩18,000	Multiple city routes, drops at major hotels. Good if you have heavy bags and no subway patience.
Taxi / Kakao T	55–75 min	₩60,000–90,000	+20% late-night surcharge 00:00–04:00. Toll ~₩8,000 extra.

GMP (Gimpo)

Domestic + short-haul regional (Tokyo, Osaka, Beijing, Shanghai, Taipei).

• Subway Line 5 or 9 to central Seoul: 30–40 min, ₩1,700.
• AREX also stops at GMP (it's on the line between ICN and Seoul Stn).
• Taxi: ~30 min, ₩25–35k to Hongdae/Jongno.
• Jeju flights depart from GMP — much closer than ICN for domestic hops.

Return routing — Apr 29 LH713, ICN 12:20 departure

Working backward:

• Gate close: ~11:50 → at gate by 11:40.
• Security + immigration: allow 45–60 min on a Wednesday morning — budget to clear by 11:00.
• Terminal: LH713 → ICN Terminal 1. Confirm on boarding pass; AREX serves both T1 and T2 but they're a 10-min shuttle apart.
• Check bags: online check-in opens 23 hr prior; bag drop closes 60 min before departure. At bag drop by 10:30.
• AREX Express from Seoul Station 43 min → arrive ICN 09:55 → board Seoul Stn AREX 08:50 or 09:00 (runs every 25 min: …08:30, 08:55, 09:20…).
• Leave your accommodation: 08:15–08:25 depending on distance to Seoul Station. From Hongdae, subway Line 2 to Hongik Univ → Gyeongui–Jungang line or transfer at City Hall, ~20 min. From Ikseon-dong / Jongno 3-ga, Line 1 to Seoul Stn, ~10 min. From Gangnam, Line 4 to Seoul Stn, ~25 min.
• Buffer: if anyone in the group is historically slow at mornings, push everything 30 min earlier. Wednesday 10:00 at ICN is moderately busy but not extreme.

One alternative worth considering: if you're staying in Hongdae or Gangnam on the last night, skip Seoul Station entirely and take the 6001 / 6015 KAL bus directly from a nearby hotel stop. 70 min but door-to-terminal — worth it with 3 people and bags.

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Sources to verify before booking

• KORAIL (KTX, ITX, Mugunghwa): letskorail.com — fares, schedules, booking.
• SRT: etk.srail.kr — Suseo–Busan/Mokpo high-speed.
• AREX airport train: arex.or.kr.
• Korea Tourism Organization: english.visitkorea.or.kr.
• Gapyeong tourism: gp.go.kr.
• DMZ tours: Koridoor (koridoor.co.kr), VIP Travel, or via Klook/Viator — confirm passport requirements 3+ days ahead.
• Jeju flights: Korean Air, Asiana, Jeju Air, Jin Air, T'way — compare at skyscanner.co.kr or airline sites directly. GMP preferred over ICN.
• KORAIL PASS: korailpass.com — foreign-passport-only, must purchase before arrival or at select offices.
• Foreign-friendly resellers: klook.com, trip.com — both accept non-Korean cards, ~5–10% markup.

Live price/schedule verification was not available when this doc was built (Apr 2026). All KRW fares are 2025 baseline and should be re-checked 1–2 days before booking.