THE SHORT VERSION
Nong Khai to Samut Prakan at a glance.
- From
- Nong Khai หนองคาย
- To
- Samut Prakan สมุทรปราการ
- Road distance
- About 638 km
- Straight line
- 529 km
- Car time, no stops
- ~8 h buses take longer
- Return route
- Samut Prakan to Nong Khai →
THE DETAILS THAT MAKE A DIFFERENCE
Right place. Right bus. Better start.
Leaving Nong Khai
Nong Khai is a Mekong town on the Thai–Lao border, linked to Vientiane by the First Friendship Bridge. Buses run to Bangkok and Udon Thani, and international buses cross to Vientiane.
- Nong Khai bus station
In town. Domestic buses and international buses to Vientiane.
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 Nong Khai
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 Nong Khai from Samut Prakan by road?+
About 638 km by road (529 km in a straight line). Distance is an OpenStreetMap routing estimate, not an operator figure.
How long does the bus from Nong Khai to Samut Prakan take?+
We don't publish timetables. As a guide, the drive takes roughly 8 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 Nong Khai?+
It depends on the operator. Main options in Nong Khai include Nong Khai bus station, 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 Nong Khai?+
Yes, 12Go also lists services in the opposite direction. See our Samut Prakan to Nong Khai guide.
Where does the bus from Nong Khai 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 Nong Khai 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 Nong Khai 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 Phuket Town, Bangkok, Suvarnabhumi Airport (BKK), Don Mueang Airport (DMK), Ayutthaya and more. See all connections on our Samut Prakan 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: Nong Khai to Samut Prakan bus route listing ↗Wikivoyage: Nong Khai (Get in) ↗How BusConnects uses sources →