Driving from Siem Reap to Bangkok
Bangkok lies 366 km (227 mi) west of Siem Reap, in the same time zone. What the numbers say about getting there.
Driving takes about 5 h 35 min without stops, over roughly 446 km (277 mi) of road; add breaks, fuel and any border.
| Siem Reap | Bangkok | |
|---|---|---|
| Country | Cambodia | Thailand |
| Population | 139,458 | 5.1 million |
| Elevation | 18 m (59 ft) | 12 m (39 ft) |
| Time now | UTC+7 (Asia/Phnom_Penh) | UTC+7 (Asia/Bangkok) |
What changes when you arrive in Bangkok
Crossing from Cambodia into Thailand: money changes from the Riels to the Baht (THB); traffic switches to the left; sockets are Euro, NEMA 1-15, NEMA 5-15, Schuko; the dialling code becomes +66; the emergency number is http://www.wikidata.org/entity/Q25648876 / http://www.wikidata.org/entity/Q25648881.
Where to book car hire from Siem Reap to Bangkok
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 Bangkok
Our booking partner lists 3,590+ places to stay in Bangkok (statistics below are from the first 1,000). Of the 969 with a star rating, the largest group is 4-star (383), and 175 are five-star. Across 795 properties with at least 50 reviews, the average guest score is 8.4 out of 10. Guests have left 1,190,860 reviews in total.
Book a hotel in Bangkok
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 Bangkok from Siem Reap?
366 km (227 mi) in a straight line, west of Siem Reap; by road roughly 446 km (277 mi).
How long does it take to get from Siem Reap to Bangkok by car?
About 5 h 35 min, estimated from distance and typical speeds. Timetables and traffic decide the real figure.
Is there a time difference between Siem Reap and Bangkok?
No, both are on the same offset at the moment.
What currency do I need in Bangkok?
The Baht (THB).
Where can I stay in Bangkok?
Our booking partner lists 3,590+ places to stay in Bangkok, bookable on this site.
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.