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KOS to FCS: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Fort Carson (Butts AAF (Fort Carson) Air Field)
8,573 mi
13,797 km · 7,450 nm
17h 17m
estimated nonstop flight time
-13h
time difference · heading northeast
See live KOS→FCS fares Phone-only fares on this route — call free
Flight time details
8,573 miles nonstop takes roughly 17h 17m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
- FCS — Butts AAF (Fort Carson) Air Field · Fort Carson, United States
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 KOS
- PQC · Phu Quoc International Airport37 mi away
- PNH · Phnom Penh International Airport106 mi away
- VKG · Rach Gia Airport110 mi away
- KZC · Kampong Chhnang Airport132 mi away
Near FCS
- COS · City of Colorado Springs Municipal Airport9 mi away
- PUB · Pueblo Memorial Airport30 mi away
- DEN · Denver International Airport82 mi away
- APA · Centennial Airport62 mi away
Frequently asked questions
How far is KOS from FCS?
The flight distance from Sihanoukville (KOS) to Fort Carson (FCS) is 8,573 miles (13,797 km, 7,450 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to FCS?
A nonstop flight takes about 17h 17m 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 Sihanoukville and Fort Carson?
Fort Carson is 13 hours behind Sihanoukville.
What is the cheapest way to fly from KOS to FCS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–FCS that never appear on search engines, with no booking fees.