Phnom Penh to Ubon Ratchathani by bus
Ubon Ratchathani lies 409 km (254 mi) north of Phnom Penh, in the same time zone. What the numbers say about getting there.
A coach takes about 7 h 35 min including stops, over roughly 499 km (310 mi) of road.
Open Ubon Ratchathani in Google Maps
| Phnom Penh | Ubon Ratchathani | |
|---|---|---|
| Country | Cambodia | Thailand |
| Population | 1.6 million | 122,533 |
| Elevation | 20 m (66 ft) | 125 m (410 ft) |
| Time now | UTC+7 (Asia/Phnom_Penh) | UTC+7 (Asia/Bangkok) |
What changes when you arrive in Ubon Ratchathani
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 Phnom Penh to Ubon Ratchathani
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 Ubon Ratchathani
Live rooms and prices for Ubon Ratchathani are in the search below.
Book a hotel in Ubon Ratchathani
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 Ubon Ratchathani from Phnom Penh?
409 km (254 mi) in a straight line, north of Phnom Penh; by road roughly 499 km (310 mi).
How long does it take to get from Phnom Penh to Ubon Ratchathani by bus?
About 7 h 35 min, estimated from distance and typical speeds. Timetables and traffic decide the real figure.
Is there a time difference between Phnom Penh and Ubon Ratchathani?
No, both are on the same offset at the moment.
What currency do I need in Ubon Ratchathani?
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.