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KGS to REP: distance & flight time
Kos (Kos Airport) → Siem-reap (Siem Reap International Airport)
4,938 mi
7,947 km · 4,291 nm
10h 9m
estimated nonstop flight time
+4h
time difference · heading east
See live KGS→REP fares Phone-only fares on this route — call free
Flight time details
4,938 miles nonstop takes roughly 10h 9m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4-hour time gain when reading arrival times on your ticket.
The two airports
- KGS — Kos Airport · Kos, Greece
- 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 KGS
- JKL · Kalymnos Airport14 mi away
- LRS · Leros Airport31 mi away
- BXN · Imsık Airport40 mi away
- JTY · Astypalaia Airport42 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 KGS from REP?
The flight distance from Kos (KGS) to Siem-reap (REP) is 4,938 miles (7,947 km, 4,291 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KGS to REP?
A nonstop flight takes about 10h 9m 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 Kos and Siem-reap?
Siem-reap is 4 hours ahead of Kos.
What is the cheapest way to fly from KGS to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KGS–REP that never appear on search engines, with no booking fees.