Khon Kaen to Siem Reap by bus
Siem Reap lies 360 km (224 mi) south of Khon Kaen, in the same time zone. What the numbers say about getting there.
A coach takes about 6 h 43 min including stops, over roughly 440 km (273 mi) of road.
| Khon Kaen | Siem Reap | |
|---|---|---|
| Country | Thailand | Cambodia |
| Population | 114,459 | 139,458 |
| Elevation | 167 m (548 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 Khon Kaen 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 Khon Kaen?
360 km (224 mi) in a straight line, south of Khon Kaen; by road roughly 440 km (273 mi).
How long does it take to get from Khon Kaen to Siem Reap by bus?
About 6 h 43 min, estimated from distance and typical speeds. Timetables and traffic decide the real figure.
Is there a time difference between Khon Kaen 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 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.