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REP to ACI: distance & flight time
Siem-reap (Siem Reap International Airport) → Alderney (Alderney Airport)
6,206 mi
9,987 km · 5,393 nm
12h 38m
estimated nonstop flight time
-6h
time difference · heading northwest
See live REP→ACI fares Phone-only fares on this route — call free
Flight time details
6,206 miles nonstop takes roughly 12h 38m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- REP — Siem Reap International Airport · Siem-reap, Cambodia
- ACI — Alderney Airport · Alderney, Guernsey
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 REP
- BBM · Battambang Airport45 mi away
- KZC · Kampong Chhnang Airport95 mi away
- PXR · Surin Airport103 mi away
- TDX · Trat Airport128 mi away
Near ACI
- GCI · Guernsey Airport26 mi away
- JER · Jersey Airport34 mi away
- CER · Cherbourg-Maupertus Airport34 mi away
- GFR · Granville Airport64 mi away
Frequently asked questions
How far is REP from ACI?
The flight distance from Siem-reap (REP) to Alderney (ACI) is 6,206 miles (9,987 km, 5,393 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from REP to ACI?
A nonstop flight takes about 12h 38m 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 Siem-reap and Alderney?
Alderney is 6 hours behind Siem-reap.
What is the cheapest way to fly from REP to ACI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on REP–ACI that never appear on search engines, with no booking fees.