Bangkok to Siem Reap by bus
Siem Reap lies 366 km (227 mi) east of Bangkok, in the same time zone. What the numbers say about getting there.
A coach takes about 6 h 49 min including stops, over roughly 446 km (277 mi) of road.
| Bangkok | Siem Reap | |
|---|---|---|
| Country | Thailand | Cambodia |
| Population | 5.1 million | 139,458 |
| Elevation | 12 m (39 ft) | 18 m (59 ft) |
| Time now | UTC+7 (Asia/Bangkok) | UTC+7 (Asia/Phnom_Penh) |
What changes when you arrive in Siem Reap
Crossing from Thailand into Cambodia: money changes from the Baht to the Riels (KHR); traffic switches to the right; sockets are BS 1363, Euro, NEMA 1-15; the dialling code becomes +855; the emergency number is http://www.wikidata.org/entity/Q11185210 / http://www.wikidata.org/entity/Q2807090.
Where to book buses from Bangkok to Siem Reap
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 Siem Reap
Live rooms and prices for Siem Reap are in the search below.
Book a hotel in Siem Reap
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 Siem Reap from Bangkok?
366 km (227 mi) in a straight line, east of Bangkok; by road roughly 446 km (277 mi).
How long does it take to get from Bangkok to Siem Reap by bus?
About 6 h 49 min, estimated from distance and typical speeds. Timetables and traffic decide the real figure.
Is there a time difference between Bangkok and Siem Reap?
No, both are on the same offset at the moment.
What currency do I need in Siem Reap?
The Riels (KHR).
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 13 September 2026. Hotel 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.