THE SHORT VERSION
Siem Reap to Kampong Thom at a glance.
- From
- Siem Reap សៀមរាប
- To
- Kampong Thom កំពង់ធំ
- Road distance
- About 153 km
- Straight line
- 136 km
- Car time, no stops
- ~2 h buses take longer
- Return route
- Kampong Thom to Siem Reap →
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 Kampong Thom
Ask the seller where the service ends in Kampong Thom. 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 Kampong Thom, the road continues.
All buses from and to Kampong ThomOther ways to reach Kampong Thom
More buses from Siem Reap
USEFUL FOR THIS TRIP
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GOOD QUESTIONS
Before you take your seat.
How far is Siem Reap from Kampong Thom by road?+
About 153 km by road (136 km in a straight line). Distance is an OpenStreetMap routing estimate, not an operator figure.
How long does the bus from Siem Reap to Kampong Thom take?+
We don't publish timetables. As a guide, the drive takes roughly 2 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 Kampong Thom to Siem Reap?+
Yes, 12Go also lists services in the opposite direction. See our Kampong Thom to Siem Reap guide.
Where does the bus from Siem Reap arrive in Kampong Thom?+
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 Siem Reap to Kampong Thom?+
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 Kampong Thom 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 Kampong Thom by bus?+
Direct buses from Kampong Thom include Phnom Penh. See all connections on our Kampong Thom 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: Siem Reap to Kampong Thom bus route listing ↗Wikivoyage: Siem Reap (Get in) ↗How BusConnects uses sources →