THE SHORT VERSION
Siem Reap to Bangkok at a glance.
- From
- Siem Reap សៀមរាប
- To
- Bangkok กรุงเทพมหานคร
- Road distance
- About 427 km
- Straight line
- 366 km
- Car time, no stops
- ~5 h buses take longer
- Return route
- Bangkok to Siem Reap →
- Border
- Cambodia → Thailand. Passport and visa needed
THE DETAILS THAT MAKE A DIFFERENCE
Right place. Right bus. Better start.
Leaving Siem Reap
Siem Reap is Cambodia's gateway to the Angkor temples. Many companies run buses to Phnom Penh, and longer-distance and cross-border services go further, including towards Vietnam.
- Siem Reap bus station and company offices
Many buses use an out-of-town station east of the centre; some companies use their own offices.
Arriving in Bangkok
Bangkok traffic is heavy. Allow plenty of time between your bus and any flight or train.
- Mo Chit (Northern) Bus Terminal
Routes to the north and north-east, and many international buses. - Ekkamai (Eastern) Bus Terminal
Routes to the east coast, such as Pattaya and Trat. - Southern Bus Terminal (Sai Tai Mai)
Routes to the south and west.
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.
- Check which terminal your ticket uses: they're far apart.
- Land crossings into Cambodia were suspended during the 2025 border dispute. Check the current status before booking.
KEEP GOING
From Bangkok, the road continues.
Other ways to reach Bangkok
More buses from Siem Reap
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 Siem Reap from Bangkok by road?+
About 427 km by road (366 km in a straight line). Distance is an OpenStreetMap routing estimate, not an operator figure.
How long does the bus from Siem Reap to Bangkok take?+
We don't publish timetables. As a guide, the drive takes roughly 5 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 Siem Reap?+
It depends on the operator. Main options in Siem Reap include Siem Reap bus station and company offices, and many tourist companies collect from offices or hotels. Your ticket shows the exact boarding point.
Is there a bus back from Bangkok to Siem Reap?+
Yes, 12Go also lists services in the opposite direction. See our Bangkok to Siem Reap guide.
Where does the bus from Siem Reap arrive in Bangkok?+
It depends on the operator. In Bangkok, services use Mo Chit (Northern) Bus Terminal, Ekkamai (Eastern) Bus Terminal, Southern Bus Terminal (Sai Tai Mai). Bangkok traffic is heavy. Allow plenty of time between your bus and any flight or train.
How do I get from the bus stop to the centre of Bangkok?+
Bangkok traffic is heavy. Allow plenty of time between your bus and any flight or train.
What kind of bus runs from Siem Reap to Bangkok?+
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 Siem Reap to Bangkok 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 Bangkok by bus?+
Direct buses from Bangkok include Phuket Town, Don Mueang Airport (DMK), Suvarnabhumi Airport (BKK), Ayutthaya, Kanchanaburi and more. See all connections on our Bangkok bus page.
Is the border between Cambodia and Thailand open?+
Land crossings between Thailand and Cambodia were suspended during the 2025 border dispute. Check the current status with official sources and confirm with the bus operator that the service is running before you book.
Do I need a visa to take the bus from Siem Reap to Bangkok?+
This journey crosses from Cambodia into Thailand. Check the current entry and visa rules for your nationality before you travel, and keep your passport with you on the bus.
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: Siem Reap to Bangkok bus route listing ↗Wikivoyage: Siem Reap (Get in) ↗Wikivoyage: Bangkok (Get in) ↗How BusConnects uses sources →