Changwon to Osan by bus
Osan lies 258 km (160 mi) north-west of Changwon, in the same time zone. What the numbers say about getting there.
A coach takes about 4 h 53 min including stops, over roughly 315 km (196 mi) of road.
| Changwon | Osan | |
|---|---|---|
| Country | South Korea | South Korea |
| Population | 1 million | 238,788 |
| Elevation | 27 m (89 ft) | 22 m (72 ft) |
| Time now | UTC+9 (Asia/Seoul) | UTC+9 (Asia/Seoul) |
Where to book buses from Changwon to Osan
We take no bookings for these providers and hold no reservation with them. The provider you choose handles payment, confirmation, changes and refunds. How that works.
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 Changwon?
258 km (160 mi) in a straight line, north-west of Changwon; by road roughly 315 km (196 mi).
How long does it take to get from Changwon to Osan by bus?
About 4 h 53 min, estimated from distance and typical speeds. Timetables and traffic decide the real figure.
Is there a time difference between Changwon 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.