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FCA to REP: distance & flight time
Kalispell (Glacier Park International Airport) → Siem-reap (Siem Reap International Airport)
7,576 mi
12,192 km · 6,583 nm
15h 19m
estimated nonstop flight time
+13h
time difference · heading northwest
See live FCA→REP fares Phone-only fares on this route — call free
Flight time details
7,576 miles nonstop takes roughly 15h 19m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- FCA — Glacier Park International Airport · Kalispell, United States
- 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 FCA
- WPC · Pincher Creek Airport84 mi away
- CTB · Cut Bank International Airport89 mi away
- MSO · Missoula International Airport97 mi away
- YQL · Lethbridge County Airport113 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 FCA from REP?
The flight distance from Kalispell (FCA) to Siem-reap (REP) is 7,576 miles (12,192 km, 6,583 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FCA to REP?
A nonstop flight takes about 15h 19m 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 Kalispell and Siem-reap?
Siem-reap is 13 hours ahead of Kalispell.
What is the cheapest way to fly from FCA to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FCA–REP that never appear on search engines, with no booking fees.