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GCI to REP: distance & flight time
Guernsey (Guernsey Airport) → Siem-reap (Siem Reap International Airport)
6,229 mi
10,024 km · 5,412 nm
12h 41m
estimated nonstop flight time
+6h
time difference · heading east
See live GCI→REP fares Phone-only fares on this route — call free
Flight time details
6,229 miles nonstop takes roughly 12h 41m 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
- GCI — Guernsey Airport · Guernsey, Guernsey
- 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 GCI
- JER · Jersey Airport24 mi away
- ACI · Alderney Airport26 mi away
- CER · Cherbourg-Maupertus Airport53 mi away
- GFR · Granville Airport60 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 GCI from REP?
The flight distance from Guernsey (GCI) to Siem-reap (REP) is 6,229 miles (10,024 km, 5,412 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GCI to REP?
A nonstop flight takes about 12h 41m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from GCI to REP?
Nonstop service on GCI–REP depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 12h 41m nonstop estimate.
What is the time difference between Guernsey and Siem-reap?
Siem-reap is 6 hours ahead of Guernsey.
What is the cheapest way to fly from GCI to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GCI–REP that never appear on search engines, with no booking fees.
Why are some GCI to REP fares phone-only?
Consolidator contracts let us sell certain GCI–REP tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.