THE SHORT VERSION
Phnom Penh to Sihanoukville at a glance.
- From
- Phnom Penh ភ្នំពេញ
- To
- Sihanoukville ក្រុងព្រះសីហនុ
- Road distance
- About 203 km
- Straight line
- 180 km
- Car time, no stops
- ~2 h 30 min buses take longer
- Return route
- Sihanoukville to Phnom Penh →
THE DETAILS THAT MAKE A DIFFERENCE
Right place. Right bus. Better start.
Leaving Phnom Penh
Phnom Penh is Cambodia's capital and has direct international buses to Ho Chi Minh City via the Moc Bai–Bavet border. Most cross-border companies run from their own offices in the city.
- Company offices
Cross-border buses leave from operator offices rather than one central terminal.
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 Phnom Penh
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 Phnom Penh from Sihanoukville by road?+
About 203 km by road (180 km in a straight line). Distance is an OpenStreetMap routing estimate, not an operator figure.
How long does the bus from Phnom Penh to Sihanoukville take?+
We don't publish timetables. As a guide, the drive takes roughly 2 h 30 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 Phnom Penh?+
It depends on the operator. Main options in Phnom Penh include 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 Phnom Penh?+
Yes, 12Go also lists services in the opposite direction. See our Sihanoukville to Phnom Penh guide.
Where does the bus from Phnom Penh 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 Phnom Penh 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 Phnom Penh 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, Chau Doc, Koh Kong 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: Phnom Penh to Sihanoukville bus route listing ↗Wikivoyage: Phnom Penh (Get in) ↗Wikivoyage: Sihanoukville (Get in) ↗How BusConnects uses sources →