THE SHORT VERSION
Samut Prakan to Maha Sarakham at a glance.
- From
- Samut Prakan สมุทรปราการ
- To
- Maha Sarakham มหาสารคาม
- Road distance
- About 488 km
- Straight line
- 409 km
- Car time, no stops
- ~6 h buses take longer
- Return route
- Maha Sarakham to Samut Prakan →
Ready to travel from Samut Prakan to Maha Sarakham?
Check live availability, fares and departure times with 12Go.
THE DETAILS THAT MAKE A DIFFERENCE
Right place. Right bus. Better start.
Leaving Samut Prakan
Boarding points depend on the operator: some use the local bus station, others collect from their office or your hotel. Your ticket shows the exact place and check-in time.
Arriving in Maha Sarakham
Ask the seller where the service ends in Maha Sarakham. 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 Maha Sarakham, the road continues.
Other ways to reach Maha Sarakham
More buses from Samut Prakan
GOOD QUESTIONS
Before you take your seat.
How far is Samut Prakan from Maha Sarakham by road?+
About 488 km by road (409 km in a straight line). Distance is an OpenStreetMap routing estimate, not an operator figure.
How long does the bus from Samut Prakan to Maha Sarakham take?+
We don't publish timetables. As a guide, the drive takes roughly 6 h 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 Samut Prakan?+
It depends on the operator: some use the local bus station, others collect from offices or hotels. Your ticket shows the exact boarding point.
Is there a bus back from Maha Sarakham to Samut Prakan?+
Yes, 12Go also lists services in the opposite direction. See our Maha Sarakham to Samut Prakan guide.
Where does the bus from Samut Prakan arrive in Maha Sarakham?+
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 Samut Prakan to Maha Sarakham?+
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 Samut Prakan to Maha Sarakham 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 Maha Sarakham by bus?+
Direct buses from Maha Sarakham include Ubon Ratchathani, Nakhon Ratchasima (Korat), Phitsanulok, Bangkok, Pattaya and more. See all connections on our Maha Sarakham bus page.
Still deciding? Check today's departures, then book your seat.
Book Samut Prakan → Maha Sarakham 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: Samut Prakan to Maha Sarakham bus route listing ↗How BusConnects uses sources →