How to travel from Siem Reap to Sihanoukville, Cambodia

The distance between Siem Reap and Sihanoukville is around 522km (324 miles) and the quickest way to get there is to fly which takes around 3hrs.

3 routes found

We've found 3 different ways to get from Siem Reap to Sihanoukville by bus, car and plane. The recommended routes, which include information on duration, ticket price, and level of difficulty, can be found below.

👋 Also check out SihanoukvilleSiem Reap if you're planning a return trip.

🚀 Fastest
1
plane
+

Fly

Fly from Siem Reap (REP) to Sihanoukville (KOS).

  • Duration3hrs
  • Flight time2h 30m
  • Typical cost
    KHR 439,050($105)
Operated by

Thai AirAsia

💰 Cheapest
2
bus
+

Bus

Take the bus to Sihanoukville Mekong Express.

  • Duration11h 30m
  • Departsevery 4 hours
  • Typical cost
    KHR 98,480($24)
Operated by

Mekong Express

+ 2 others
3
car
+

Drive

Drive to Sihanoukville.

  • Duration7h 35m
  • Distance523km (325 miles)
Get turn-by-turn directions

Frequently asked questionsabout travel between Siem Reap and Sihanoukville

There are several options for getting from Siem Reap to Sihanoukville by bus, car and plane. The cheapest option is to take the bus which costs around KHR 98,480 ($24) and will take around 11h 30m. If you need to get there more quickly, you can fly and arrive in approximately 3hrs, though it is a bit more costly at approximately KHR 439,050 ($105).

The distance between Siem Reap and Sihanoukville is around 522km (324 miles). In a direct line (as the crow flies), the distance is 307km (191 miles)

It takes around 11h 30m to get from Siem Reap and Sihanoukville by bus. If you are travelling by car it will take around 7h 35m to drive there.

The quickest way to get from Siem Reap to Sihanoukville is to fly which takes around 3hrs and will set you back approx KHR 439,050 ($105).

The cheapest way to travel between Siem Reap and Sihanoukville, if you exclude driving, is to take the bus which will typically cost around KHR 98,480 ($24) for a standard one-way ticket.

Train travel

There is no train service that runs between Siem Reap and Sihanoukville. We recommend that you fly from Siem Reap (REP) to Sihanoukville (KOS). instead which will take 3hrs.

Bus travel

Yes there is a bus that runs regularly from Siem Reap and Sihanoukville. It typically takes around 11h 30m and departs twice daily.

Yes there is a direct bus service that runs between Siem Reap and Sihanoukville with no changeovers required. The bus runs twice daily and takes 11h 30m.

Mekong Express run regular bus services between Siem Reap and Sihanoukville. Buses run twice daily and take around 11h 30m on average but will vary depending on you book with.

Flights and Airlines

Yes you can fly from Siem Reap and Sihanoukville. Flights depart from Siem Reap (REP) and arrive at Sihanoukville (KOS) - via Don Muang (DMK). The flight takes around 2h 30m.

There is no direct flight from Siem Reap to Sihanoukville. There is however a flight that goes via Don Muang (DMK). This services will take at least 3hrs (not including layover time).

The flight from Siem Reap to Sihanoukville typically takes around 2h 30m. Flights depart from Siem Reap (REP) and and arrive into Sihanoukville (KOS).

The closest major airport to Sihanoukville is Sihanouk International Airport (KOS) (KOS) which is approximately 14km (8 miles) from Sihanoukville. Phnom Penh International Airport (PNH) (PNH) and Siem Reap International Airport (REP) (REP) are also nearby and might be a better alternative airport depending on where you are flying from.

Drive yourself

Yes it is possible to drive from Siem Reap and Sihanoukville. The distance is around 523km (325 miles) by road and it will take around 7h 35m in normal traffic conditons.

If you don't have a car, the easiest way to get from Siem Reap to Sihanoukville is to take the bus which takes, on average, 11h 30m and will usually cost around KHR 98,480 ($24).

How do I get from Siem Reap to Sihanoukville

Compare travel optionsbetween Siem Reap and Sihanoukville

Transport options from Siem Reap to Sihanoukville
Transport optionDurationCostFrequencyDistance
Fly
3hrs
KHR 439,050($105)
on demand877km (545 miles)
Bus
11h 30m
KHR 98,480($24)
every 4 hours522km (324 miles)
Drive
7h 35m
KHR 176,440($43)
on demand523km (325 miles)

Top Carriersoperating between Siem Reap and Sihanoukville

Bus companies

Airlines

Airports near Sihanoukville

The following major airports near Sihanoukville offer regular flights to various popular destinations within Cambodia and internationally.

KOS
Sihanouk International Airport (KOS)
International Airport
Distance
14km (8 miles) from Sihanoukville
PNH
Phnom Penh International Airport (PNH)
International Airport
Distance
178km (110 miles) from Sihanoukville
REP
Siem Reap International Airport (REP)
International Airport
Distance
311km (194 miles) from Sihanoukville