THE SHORT VERSION
Bangkok to Sihanoukville at a glance.
- From
- Bangkok กรุงเทพมหานคร
- To
- Sihanoukville ក្រុងព្រះសីហនុ
- Road distance
- About 639 km
- Straight line
- 479 km
- Car time, no stops
- ~8 h 15 min buses take longer
- Return route
- Sihanoukville to Bangkok →
- Border
- Thailand → Cambodia. Passport and visa needed
THE DETAILS THAT MAKE A DIFFERENCE
Right place. Right bus. Better start.
Leaving Bangkok
Bangkok is Thailand's capital and its main long-distance bus hub, with separate terminals for the north and north-east, the east, and the south. International buses to Cambodia and Laos also start here.
- Mo Chit (Northern) Bus Terminal
Routes to the north and north-east, and many international buses. - Ekkamai (Eastern) Bus Terminal
Routes to the east coast, such as Pattaya and Trat. - Southern Bus Terminal (Sai Tai Mai)
Routes to the south and west.
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 Bangkok
USEFUL FOR THIS TRIP
Sort the small things before you go.
Partner links. We may earn a commission if you buy through them, at no extra cost to you.
GOOD QUESTIONS
Before you take your seat.
How far is Bangkok from Sihanoukville by road?+
About 639 km by road (479 km in a straight line). Distance is an OpenStreetMap routing estimate, not an operator figure.
How long does the bus from Bangkok to Sihanoukville take?+
We don't publish timetables. As a guide, the drive takes roughly 8 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 Bangkok?+
It depends on the operator. Main options in Bangkok include Mo Chit (Northern) Bus Terminal, Ekkamai (Eastern) Bus Terminal, Southern Bus Terminal (Sai Tai Mai), and many tourist companies collect from offices or hotels. Your ticket shows the exact boarding point.
Is there a bus back from Sihanoukville to Bangkok?+
Yes, 12Go also lists services in the opposite direction. See our Sihanoukville to Bangkok guide.
Where does the bus from Bangkok 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 Bangkok 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 Bangkok 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.
Is the border between Thailand and Cambodia open?+
Land crossings between Thailand and Cambodia were suspended during the 2025 border dispute. Check the current status with official sources and confirm with the bus operator that the service is running before you book.
Do I need a visa to take the bus from Bangkok to Sihanoukville?+
This journey crosses from Thailand into Cambodia. 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). 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: Bangkok to Sihanoukville bus route listing ↗Wikivoyage: Bangkok (Get in) ↗Wikivoyage: Sihanoukville (Get in) ↗How BusConnects uses sources →