THE SHORT VERSION
Khon Kaen to Samut Prakan at a glance.
- From
- Khon Kaen ขอนแก่น
- To
- Samut Prakan สมุทรปราการ
- Road distance
- About 462 km
- Straight line
- 396 km
- Car time, no stops
- ~5 h 30 min buses take longer
- Return route
- Samut Prakan to Khon Kaen →
Ready to travel from Khon Kaen to Samut Prakan?
Check live availability, fares and departure times with 12Go.
THE DETAILS THAT MAKE A DIFFERENCE
Right place. Right bus. Better start.
Leaving Khon Kaen
Khon Kaen is a major city in north-east Thailand (Isan), on the main road and rail line to Laos. Long-distance buses run to Bangkok and across Isan.
- Khon Kaen bus terminals
Several terminals; long-distance services use the newer terminal outside the centre.
Arriving in Samut Prakan
Ask the seller where the service ends in Samut Prakan. 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 Samut Prakan, the road continues.
Other ways to reach Samut Prakan
More buses from Khon Kaen
GOOD QUESTIONS
Before you take your seat.
How far is Khon Kaen from Samut Prakan by road?+
About 462 km by road (396 km in a straight line). Distance is an OpenStreetMap routing estimate, not an operator figure.
How long does the bus from Khon Kaen to Samut Prakan take?+
We don't publish timetables. As a guide, the drive takes roughly 5 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 Khon Kaen?+
It depends on the operator. Main options in Khon Kaen include Khon Kaen bus terminals, and many tourist companies collect from offices or hotels. Your ticket shows the exact boarding point.
Is there a bus back from Samut Prakan to Khon Kaen?+
Yes, 12Go also lists services in the opposite direction. See our Samut Prakan to Khon Kaen guide.
Where does the bus from Khon Kaen arrive in Samut Prakan?+
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 Khon Kaen to Samut Prakan?+
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 Khon Kaen to Samut Prakan 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 Samut Prakan by bus?+
Direct buses from Samut Prakan include Bangkok, Suvarnabhumi Airport (BKK), Don Mueang Airport (DMK), Ayutthaya, Pattaya and more. See all connections on our Samut Prakan bus page.
Still deciding? Check today's departures, then book your seat.
Book Khon Kaen → Samut Prakan on 12GoFOLLOW 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: Khon Kaen to Samut Prakan bus route listing ↗Wikivoyage: Khon Kaen (Get in) ↗How BusConnects uses sources →