THE SHORT VERSION
Nakhon Ratchasima (Korat) to Ubon Ratchathani at a glance.
- From
- Nakhon Ratchasima (Korat) นครราชสีมา
- To
- Ubon Ratchathani อุบลราชธานี
- Road distance
- About 384 km
- Straight line
- 303 km
- Car time, no stops
- ~4 h 30 min buses take longer
- Return route
- Ubon Ratchathani to Nakhon Ratchasima (Korat) →
THE DETAILS THAT MAKE A DIFFERENCE
Right place. Right bus. Better start.
Leaving Nakhon Ratchasima (Korat)
Nakhon Ratchasima (Korat) is the largest city in north-east Thailand and the gateway to Isan. It has two bus terminals in the city.
- Korat Bus Terminal 1
Central. Mainly services to Bangkok. - Korat Bus Terminal 2
On Mittraphap Road. Long-distance services across Isan and the north.
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 Nakhon Ratchasima (Korat)
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 Nakhon Ratchasima (Korat) from Ubon Ratchathani by road?+
About 384 km by road (303 km in a straight line). Distance is an OpenStreetMap routing estimate, not an operator figure.
How long does the bus from Nakhon Ratchasima (Korat) to Ubon Ratchathani take?+
We don't publish timetables. As a guide, the drive takes roughly 4 h 30 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 Nakhon Ratchasima (Korat)?+
It depends on the operator. Main options in Nakhon Ratchasima (Korat) include Korat Bus Terminal 1, Korat 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 Nakhon Ratchasima (Korat)?+
Yes, 12Go also lists services in the opposite direction. See our Ubon Ratchathani to Nakhon Ratchasima (Korat) guide.
Where does the bus from Nakhon Ratchasima (Korat) 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 Nakhon Ratchasima (Korat) 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 Nakhon Ratchasima (Korat) 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, Udon Thani, 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: Nakhon Ratchasima (Korat) to Ubon Ratchathani bus route listing ↗Wikivoyage: Nakhon Ratchasima (Get in) ↗Wikivoyage: Ubon Ratchathani (Get in) ↗How BusConnects uses sources →