THE SHORT VERSION
Nakhon Ratchasima (Korat) to Mae Sai at a glance.
- From
- Nakhon Ratchasima (Korat) นครราชสีมา
- To
- Mae Sai แม่สาย
- Road distance
- About 843 km
- Straight line
- 651 km
- Car time, no stops
- ~11 h 30 min buses take longer
- Return route
- Mae Sai 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 Mae Sai
Ask the seller where the service ends in Mae Sai. A town-name stop can be a bus station some way from the centre, and the last stretch to your accommodation is usually up to you.

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.
KEEP GOING
From Mae Sai, the road continues.
Other ways to reach Mae Sai
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 Mae Sai by road?+
About 843 km by road (651 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 Mae Sai take?+
We don't publish timetables. As a guide, the drive takes roughly 11 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 Mae Sai to Nakhon Ratchasima (Korat)?+
Yes, 12Go also lists services in the opposite direction. See our Mae Sai to Nakhon Ratchasima (Korat) guide.
Where does the bus from Nakhon Ratchasima (Korat) arrive in Mae Sai?+
It depends on the operator. Some services end at the local bus station, others at an office or a stop on the main road. Ask the seller for the drop-off address before you book.
What kind of bus runs from Nakhon Ratchasima (Korat) to Mae Sai?+
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 Mae Sai 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 Mae Sai by bus?+
Direct buses from Mae Sai include Chiang Rai, Chiang Mai, Phitsanulok, Mae Sot, Phuket Town and more. See all connections on our Mae Sai bus page.
FOLLOW THE INFORMATION
Clear sources. Better decisions.
Route listed in 12Go's public route index (checked 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 Mae Sai bus route listing ↗Wikivoyage: Nakhon Ratchasima (Get in) ↗How BusConnects uses sources →