THE SHORT VERSION
Udon Thani to Ubon Ratchathani at a glance.
- From
- Udon Thani อุดรธานี
- To
- Ubon Ratchathani อุบลราชธานี
- Road distance
- About 407 km
- Straight line
- 328 km
- Car time, no stops
- ~5 h 15 min buses take longer
- Return route
- Ubon Ratchathani to Udon Thani →
THE DETAILS THAT MAKE A DIFFERENCE
Right place. Right bus. Better start.
Leaving Udon Thani
Udon Thani is a city in north-east Thailand, about an hour from the Lao border at Nong Khai. International buses run to Vientiane, and long-distance buses to Bangkok and across Isan.
- Udon Thani Bus Terminal 1
In the centre. Long-distance buses and the international bus to Vientiane. - Udon Thani Bus Terminal 2
On the edge of town. Regional services.
Arriving in Ubon Ratchathani
Songthaews and tuk-tuks run into the centre.
- Ubon Ratchathani bus terminal
North of the centre. Long-distance and international buses.

Keep the essentials offline
Save your ticket, the exact meeting point and the operator's phone number before you set off. Follow the check-in time on your confirmation.
- International buses to Pakse cross at Chong Mek. Check Lao visa rules.
KEEP GOING
From Ubon Ratchathani, the road continues.
Other ways to reach Ubon Ratchathani
More buses from Udon Thani
USEFUL FOR THIS TRIP
Sort the small things before you go.
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GOOD QUESTIONS
Before you take your seat.
How far is Udon Thani from Ubon Ratchathani by road?+
About 407 km by road (328 km in a straight line). Distance is an OpenStreetMap routing estimate, not an operator figure.
How long does the bus from Udon Thani to Ubon Ratchathani take?+
We don't publish timetables. As a guide, the drive takes roughly 5 h 15 min by car without stops; bus journeys are usually longer. Check the duration of your chosen departure on 12Go before booking.
Where does the bus leave from in Udon Thani?+
It depends on the operator. Main options in Udon Thani include Udon Thani Bus Terminal 1, Udon Thani Bus Terminal 2, and many tourist companies collect from offices or hotels. Your ticket shows the exact boarding point.
Is there a bus back from Ubon Ratchathani to Udon Thani?+
Yes, 12Go also lists services in the opposite direction. See our Ubon Ratchathani to Udon Thani guide.
Where does the bus from Udon Thani arrive in Ubon Ratchathani?+
It depends on the operator. In Ubon Ratchathani, services use Ubon Ratchathani bus terminal. Songthaews and tuk-tuks run into the centre.
How do I get from the bus stop to the centre of Ubon Ratchathani?+
Songthaews and tuk-tuks run into the centre.
What kind of bus runs from Udon Thani to Ubon Ratchathani?+
It varies by operator and departure. Routes in this region are served by a mix of sleeper buses, seated coaches and smaller limousine vans. Check the vehicle type, seat layout and luggage allowance for your departure on 12Go before you book.
Can I book the Udon Thani to Ubon Ratchathani bus online?+
Yes. 12Go lists departures on this route. You choose a date, compare operators and pay online, and the provider issues the ticket. BusConnects doesn't sell tickets itself.
Where can I go next from Ubon Ratchathani by bus?+
Direct buses from Ubon Ratchathani include Pakse, Khon Kaen, Nakhon Ratchasima (Korat), Ayutthaya, Don Mueang Airport (DMK) and more. See all connections on our Ubon Ratchathani bus page.
FOLLOW THE INFORMATION
Clear sources. Better decisions.
Route listed in 12Go's public route index (checked 2026-10-09). Station information reviewed 2026-10-09. Distance: OpenStreetMap data via OSRM (approximate driving distance). Listings change and are not live inventory. Confirm the departure, pickup, price and conditions before paying.
12Go: Udon Thani to Ubon Ratchathani bus route listing ↗Wikivoyage: Udon Thani (Get in) ↗Wikivoyage: Ubon Ratchathani (Get in) ↗How BusConnects uses sources →