Siem Reap to Nakhon Ratchasima by bus
Nakhon Ratchasima lies 261 km (162 mi) north-west of Siem Reap, in the same time zone. What the numbers say about getting there.
A coach takes about 4 h 56 min including stops, over roughly 318 km (198 mi) of road.
Open Nakhon Ratchasima in Google Maps
| Siem Reap | Nakhon Ratchasima | |
|---|---|---|
| Country | Cambodia | Thailand |
| Population | 139,458 | 126,391 |
| Elevation | 18 m (59 ft) | 187 m (614 ft) |
| Time now | UTC+7 (Asia/Phnom_Penh) | UTC+7 (Asia/Bangkok) |
What changes when you arrive in Nakhon Ratchasima
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 buses from Siem Reap to Nakhon Ratchasima
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 Nakhon Ratchasima
Live rooms and prices for Nakhon Ratchasima are in the search below.
Book a hotel in Nakhon Ratchasima
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 Nakhon Ratchasima from Siem Reap?
261 km (162 mi) in a straight line, north-west of Siem Reap; by road roughly 318 km (198 mi).
How long does it take to get from Siem Reap to Nakhon Ratchasima by bus?
About 4 h 56 min, estimated from distance and typical speeds. Timetables and traffic decide the real figure.
Is there a time difference between Siem Reap and Nakhon Ratchasima?
No, both are on the same offset at the moment.
What currency do I need in Nakhon Ratchasima?
The Baht (THB).
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.