THE SHORT VERSION
Koh Rong to Siem Reap at a glance.
- From
- Koh Rong កោះរ៉ុង
- To
- Siem Reap សៀមរាប
- Straight line
- 302 km
- Return route
- Siem Reap to Koh Rong →
THE DETAILS THAT MAKE A DIFFERENCE
Right place. Right bus. Better start.
Leaving Koh Rong
Koh Rong is an island off Sihanoukville. Bus tickets to Koh Rong combine a bus to Sihanoukville with a ferry or speedboat to the island.
- Sihanoukville ferry pier
Boats to the island leave from Sihanoukville; island arrival is at a pier.
Arriving in Siem Reap
From the out-of-town station, take a tuk-tuk into the centre. If you arrive from the west, you can sometimes get off in town before the station.
- 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.
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.
- Journeys to Phnom Penh vary a lot by company. Premium operators make fewer stops.
KEEP GOING
From Siem Reap, the road continues.
This trip includes a boat crossing. For ferry routes and timetables, see our sister site FerryConnect.
Other ways to reach Siem Reap
More buses from Koh Rong
USEFUL FOR THIS TRIP
Sort the small things before you go.
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GOOD QUESTIONS
Before you take your seat.
How long does the bus from Koh Rong to Siem Reap take?+
Journey times depend on the service and any boat connection. Check the duration of your chosen departure on 12Go before booking.
Where does the bus leave from in Koh Rong?+
It depends on the operator. Main options in Koh Rong include Sihanoukville ferry pier, and many tourist companies collect from offices or hotels. Your ticket shows the exact boarding point.
Is there a bus back from Siem Reap to Koh Rong?+
Yes, 12Go also lists services in the opposite direction. See our Siem Reap to Koh Rong guide.
Where does the bus from Koh Rong arrive in Siem Reap?+
It depends on the operator. In Siem Reap, services use Siem Reap bus station and company offices. From the out-of-town station, take a tuk-tuk into the centre. If you arrive from the west, you can sometimes get off in town before the station.
How do I get from the bus stop to the centre of Siem Reap?+
From the out-of-town station, take a tuk-tuk into the centre. If you arrive from the west, you can sometimes get off in town before the station.
What kind of bus runs from Koh Rong to Siem Reap?+
Tickets to Siem Reap usually combine a bus or van with a boat. The vehicle type, seat style and boat connection are shown for each departure on 12Go.
Can I book the Koh Rong to Siem Reap 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 Siem Reap by bus?+
Direct buses from Siem Reap include Poipet, Battambang, Phnom Penh, Trat, Bangkok and more. See all connections on our Siem Reap bus page.
Does the trip to Siem Reap include a ferry?+
Yes, Siem Reap is an island, so the journey includes a boat crossing. Check whether your ticket covers the boat and the transfer from the pier, and allow for weather delays.
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: Koh Rong to Siem Reap bus route listing ↗Wikivoyage: Koh Rong (Get in) ↗Wikivoyage: Siem Reap (Get in) ↗How BusConnects uses sources →