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KOS to CSM: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Clinton (Clinton Sherman Airport)
8,931 mi
14,373 km · 7,761 nm
17h 59m
estimated nonstop flight time
-12h
time difference · heading northeast
See live KOS→CSM fares Phone-only fares on this route — call free
Flight time details
8,931 miles nonstop takes roughly 17h 59m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time set-back when reading arrival times on your ticket.
The two airports
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
- CSM — Clinton Sherman Airport · Clinton, 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 CSM
- HBR · Hobart Regional Airport26 mi away
- LTS · Altus Air Force Base47 mi away
- FSI · Henry Post Army Air Field (Fort Sill)66 mi away
- LAW · Lawton Fort Sill Regional Airport69 mi away
Frequently asked questions
How far is KOS from CSM?
The flight distance from Sihanoukville (KOS) to Clinton (CSM) is 8,931 miles (14,373 km, 7,761 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to CSM?
A nonstop flight takes about 17h 59m 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 Clinton?
Clinton is 12 hours behind Sihanoukville.
What is the cheapest way to fly from KOS to CSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–CSM that never appear on search engines, with no booking fees.