Driving from Udon Thani to Hoàng Mai
Hoàng Mai lies 372 km (231 mi) north-east of Udon Thani, in the same time zone. What the numbers say about getting there.
Driving takes about 5 h 40 min without stops, over roughly 453 km (282 mi) of road; add breaks, fuel and any border.
| Udon Thani | Hoàng Mai | |
|---|---|---|
| Country | Thailand | Vietnam |
| Population | 130,531 | 113,360 |
| Elevation | 177 m (581 ft) | 6 m (20 ft) |
| Time now | UTC+7 (Asia/Bangkok) | UTC+7 (Asia/Bangkok) |
What changes when you arrive in Hoàng Mai
Crossing from Thailand into Vietnam: money changes from the Baht to the Dong (VND); traffic switches to the right; sockets are BS 1363, Euro, NEMA 1-15, Schuko; the dialling code becomes +84; the emergency number is http://www.wikidata.org/entity/Q25648804 / http://www.wikidata.org/entity/Q25648805.
Where to book car hire from Udon Thani to Hoàng Mai
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 Hoàng Mai
Live rooms and prices for Hoàng Mai are in the search below.
Book a hotel in Hoàng Mai
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 Hoàng Mai from Udon Thani?
372 km (231 mi) in a straight line, north-east of Udon Thani; by road roughly 453 km (282 mi).
How long does it take to get from Udon Thani to Hoàng Mai by car?
About 5 h 40 min, estimated from distance and typical speeds. Timetables and traffic decide the real figure.
Is there a time difference between Udon Thani and Hoàng Mai?
No, both are on Asia/Bangkok at the moment.
What currency do I need in Hoàng Mai?
The Dong (VND).
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.