THE SHORT VERSION
Siem Reap to Sihanoukville at a glance.
- From
- Siem Reap សៀមរាប
- To
- Sihanoukville ក្រុងព្រះសីហនុ
- Road distance
- About 511 km
- Straight line
- 307 km
- Car time, no stops
- ~6 h 15 min buses take longer
- Return route
- Sihanoukville 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 Sihanoukville
Ask where your bus ends, then use a tuk-tuk or ride-hail to your hotel or the ferry pier.
- Company offices and bus stations
Arrival points vary by operator.
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.
- Island ferries leave from the pier in town. Allow time between your bus and the boat.
KEEP GOING
From Sihanoukville, the road continues.
Other ways to reach Sihanoukville
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 Sihanoukville by road?+
About 511 km by road (307 km in a straight line). Distance is an OpenStreetMap routing estimate, not an operator figure.
How long does the bus from Siem Reap to Sihanoukville take?+
We don't publish timetables. As a guide, the drive takes roughly 6 h 15 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 Sihanoukville to Siem Reap?+
Yes, 12Go also lists services in the opposite direction. See our Sihanoukville to Siem Reap guide.
Where does the bus from Siem Reap arrive in Sihanoukville?+
It depends on the operator. In Sihanoukville, services use Company offices and bus stations. Ask where your bus ends, then use a tuk-tuk or ride-hail to your hotel or the ferry pier.
How do I get from the bus stop to the centre of Sihanoukville?+
Ask where your bus ends, then use a tuk-tuk or ride-hail to your hotel or the ferry pier.
What kind of bus runs from Siem Reap to Sihanoukville?+
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 Sihanoukville 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 Sihanoukville by bus?+
Direct buses from Sihanoukville include Kampot, Kep, Ha Tien, Phnom Penh, Chau Doc and more. See all connections on our Sihanoukville bus page.
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 Sihanoukville bus route listing ↗Wikivoyage: Siem Reap (Get in) ↗Wikivoyage: Sihanoukville (Get in) ↗How BusConnects uses sources →