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HEK to REP: distance & flight time
Heihe (Heihe Airport) → Siem-reap (Siem Reap International Airport)
2,864 mi
4,610 km · 2,489 nm
6h 5m
estimated nonstop flight time
-1h
time difference · heading southwest
See live HEK→REP fares Phone-only fares on this route — call free
Flight time details
2,864 miles nonstop takes roughly 6h 5m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- HEK — Heihe Airport · Heihe, China
- REP — Siem Reap International Airport · Siem-reap, Cambodia
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near HEK
- BQS · Ignatyevo Airport18 mi away
- DTU · Wudalianchi Dedu Airport131 mi away
- JGD · Jiagedaqi Airport142 mi away
Near REP
- BBM · Battambang Airport45 mi away
- KZC · Kampong Chhnang Airport95 mi away
- PXR · Surin Airport103 mi away
- TDX · Trat Airport128 mi away
Frequently asked questions
How far is HEK from REP?
The flight distance from Heihe (HEK) to Siem-reap (REP) is 2,864 miles (4,610 km, 2,489 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HEK to REP?
A nonstop flight takes about 6h 5m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Heihe and Siem-reap?
Siem-reap is 1 hour behind Heihe.
What is the cheapest way to fly from HEK to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HEK–REP that never appear on search engines, with no booking fees.