THE SHORT VERSION
Siem Reap to Champasak at a glance.
- From
- Siem Reap សៀមរាប
- To
- Champasak ຈຳປາສັກ
- Road distance
- About 418 km
- Straight line
- 275 km
- Car time, no stops
- ~6 h 45 min buses take longer
- Return route
- Champasak to Siem Reap →
- Border
- Cambodia → Laos. 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 Champasak
Ask the seller where the service ends in Champasak. 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 Champasak, the road continues.
All buses from and to ChampasakOther ways to reach Champasak
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 Champasak by road?+
About 418 km by road (275 km in a straight line). Distance is an OpenStreetMap routing estimate, not an operator figure.
How long does the bus from Siem Reap to Champasak take?+
We don't publish timetables. As a guide, the drive takes roughly 6 h 45 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 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 Champasak to Siem Reap?+
Yes, 12Go also lists services in the opposite direction. See our Champasak to Siem Reap guide.
Where does the bus from Siem Reap arrive in Champasak?+
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 Champasak?+
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 Champasak 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 Champasak by bus?+
Direct buses from Champasak include Pakse. See all connections on our Champasak bus page.
Do I need a visa to take the bus from Siem Reap to Champasak?+
This journey crosses from Cambodia into Laos. 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). 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 Champasak bus route listing ↗Wikivoyage: Siem Reap (Get in) ↗How BusConnects uses sources →