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NHT to REP: distance & flight time
Northolt (RAF Northolt) → Siem-reap (Siem Reap International Airport)
6,088 mi
9,798 km · 5,290 nm
12h 24m
estimated nonstop flight time
+6h
time difference · heading east
See live NHT→REP fares Phone-only fares on this route — call free
Flight time details
6,088 miles nonstop takes roughly 12h 24m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- NHT — RAF Northolt · Northolt, United Kingdom
- 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 NHT
- LHR · London Heathrow Airport6 mi away
- LGW · London Gatwick Airport30 mi away
- HYC · Wycombe Air Park17 mi away
- LCY · London City Airport21 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 NHT from REP?
The flight distance from Northolt (NHT) to Siem-reap (REP) is 6,088 miles (9,798 km, 5,290 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NHT to REP?
A nonstop flight takes about 12h 24m 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 Northolt and Siem-reap?
Siem-reap is 6 hours ahead of Northolt.
What is the cheapest way to fly from NHT to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NHT–REP that never appear on search engines, with no booking fees.