Phnom Penh to Udon Thani by bus
Udon Thani lies 690 km (429 mi) north of Phnom Penh, in the same time zone. What the numbers say about getting there.
A coach takes about 12 h 38 min including stops, over roughly 842 km (523 mi) of road.
Open Udon Thani in Google Maps
| Phnom Penh | Udon Thani | |
|---|---|---|
| Country | Cambodia | Thailand |
| Population | 1.6 million | 130,531 |
| Elevation | 20 m (66 ft) | 177 m (581 ft) |
| Time now | UTC+7 (Asia/Phnom_Penh) | UTC+7 (Asia/Bangkok) |
What changes when you arrive in Udon Thani
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 Udon Thani
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Staying in Udon Thani
Live rooms and prices for Udon Thani are in the search below.
Book a hotel in Udon Thani
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 Udon Thani from Phnom Penh?
690 km (429 mi) in a straight line, north of Phnom Penh; by road roughly 842 km (523 mi).
How long does it take to get from Phnom Penh to Udon Thani by bus?
About 12 h 38 min, estimated from distance and typical speeds. Timetables and traffic decide the real figure.
Is there a time difference between Phnom Penh and Udon Thani?
No, both are on the same offset at the moment.
What currency do I need in Udon Thani?
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.