Driving from Siem Reap to Phnom Penh
Phnom Penh lies 231 km (143 mi) south-east of Siem Reap, in the same time zone. What the numbers say about getting there.
Driving takes about 3 h 31 min without stops, over roughly 281 km (175 mi) of road; add breaks, fuel and any border.
Open Phnom Penh in Google Maps
| Siem Reap | Phnom Penh | |
|---|---|---|
| Country | Cambodia | Cambodia |
| Population | 139,458 | 1.6 million |
| Elevation | 18 m (59 ft) | 20 m (66 ft) |
| Time now | UTC+7 (Asia/Phnom_Penh) | UTC+7 (Asia/Phnom_Penh) |
Where to book car hire from Siem Reap to Phnom Penh
We take no bookings for these providers and hold no reservation with them. The provider you choose handles payment, confirmation, changes and refunds. How that works.
Staying in Phnom Penh
Our booking partner lists 724 places to stay in Phnom Penh. Of the 579 with a star rating, the largest group is 3-star (255), and 24 are five-star. Across 237 properties with at least 50 reviews, the average guest score is 8.3 out of 10. Guests have left 134,280 reviews in total.
Book a hotel in Phnom Penh
Live rooms and prices from our booking partner, booked and paid for here. Free cancellation is marked where it applies.
Common questions
How far is Phnom Penh from Siem Reap?
231 km (143 mi) in a straight line, south-east of Siem Reap; by road roughly 281 km (175 mi).
How long does it take to get from Siem Reap to Phnom Penh by car?
About 3 h 31 min, estimated from distance and typical speeds. Timetables and traffic decide the real figure.
Is there a time difference between Siem Reap and Phnom Penh?
No, both are on Asia/Phnom_Penh at the moment.
Where can I stay in Phnom Penh?
Our booking partner lists 724 places to stay in Phnom Penh, bookable on this site.
Where these facts come from
- GeoNames (CC BY 4.0): population, elevation, time zone, postal codes
- Wikidata (CC0): area, sister cities, visitor numbers, heritage listings, stations and ports
- OurAirports (public domain): airports, runways
- Natural Earth (public domain): map outlines
Data compiled 13 September 2026. Hotel figures are from our booking partner’s catalogue on that date. Journey times on this page are estimates from distance, not timetables; check the operator before you rely on one.