Seoul to Osan by train
Osan lies 47 km (29 mi) south of Seoul, in the same time zone. What the numbers say about getting there.
By rail the journey is about 17 min at the speeds typical of South Korea rail, over roughly 57 km (35 mi) of track; the operator’s timetable is the number that counts.
| Seoul | Osan | |
|---|---|---|
| Country | South Korea | South Korea |
| Population | 10.3 million | 238,788 |
| Elevation | 38 m (125 ft) | 22 m (72 ft) |
| Time now | UTC+9 (Asia/Seoul) | UTC+9 (Asia/Seoul) |
| Stations on record | Yeongdeungpo Station, Gaebong Station, Oryu-dong Station | Seodongtan Station, Sema Station |
Where to book trains from Seoul to Osan
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Staying in Osan
Live rooms and prices for Osan are in the search below.
Book a hotel in Osan
Live rooms and prices from our booking partner, booked and paid for here. Free cancellation is marked where it applies.
Common questions
How far is Osan from Seoul?
47 km (29 mi) in a straight line, south of Seoul; by road roughly 57 km (35 mi).
How long does it take to get from Seoul to Osan by train?
About 17 min, estimated from distance and typical speeds. Timetables and traffic decide the real figure.
Is there a time difference between Seoul and Osan?
No, both are on Asia/Seoul at the moment.
Where these facts come from
- GeoNames (CC BY 4.0): population, elevation, time zone, postal codes
- Wikidata (CC0): area, sister cities, visitor numbers, heritage listings, stations and ports
- OurAirports (public domain): airports, runways
- Natural Earth (public domain): map outlines
Data compiled 14 September 2026. Hotel and hostel figures are from our booking partner’s catalogue on that date. Journey times on this page are estimates from distance, not timetables; check the operator before you rely on one.