Siem Reap to Hanoi by bus
Hanoi lies 878 km (545 mi) north of Siem Reap, in the same time zone. What the numbers say about getting there.
A coach takes about 16 h including stops, over roughly 1,071 km (665 mi) of road.
| Siem Reap | Hanoi | |
|---|---|---|
| Country | Cambodia | Vietnam |
| Population | 139,458 | 8.1 million |
| Elevation | 18 m (59 ft) | 10 m (33 ft) |
| Time now | UTC+7 (Asia/Phnom_Penh) | UTC+7 (Asia/Bangkok) |
What changes when you arrive in Hanoi
Crossing from Cambodia into Vietnam: money changes from the Riels to the Dong (VND); sockets are BS 1363, Euro, NEMA 1-15, Schuko; the dialling code becomes +84; the emergency number is http://www.wikidata.org/entity/Q25648804 / http://www.wikidata.org/entity/Q25648805.
Where to book buses from Siem Reap to Hanoi
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 Hanoi
Our booking partner lists 4,280+ places to stay in Hanoi (statistics below are from the first 1,000). Of the 855 with a star rating, the largest group is 4-star (412), and 68 are five-star. Across 703 properties with at least 50 reviews, the average guest score is 8.9 out of 10. Guests have left 567,541 reviews in total.
Book a hotel in Hanoi
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 Hanoi from Siem Reap?
878 km (545 mi) in a straight line, north of Siem Reap; by road roughly 1,071 km (665 mi).
How long does it take to get from Siem Reap to Hanoi by bus?
About 16 h, estimated from distance and typical speeds. Timetables and traffic decide the real figure.
Is there a time difference between Siem Reap and Hanoi?
No, both are on the same offset at the moment.
What currency do I need in Hanoi?
The Dong (VND).
Where can I stay in Hanoi?
Our booking partner lists 4,280+ places to stay in Hanoi, 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 14 September 2026. Hotel and hostel 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.