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CSM to KOS: distance & flight time
Clinton (Clinton Sherman Airport) → Sihanoukville (Sihanoukville International Airport)
8,931 mi
14,373 km · 7,761 nm
17h 59m
estimated nonstop flight time
+12h
time difference · heading northwest
See live CSM→KOS fares Phone-only fares on this route — call free
Flight time details
8,931 miles nonstop takes roughly 17h 59m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- CSM — Clinton Sherman Airport · Clinton, United States
- KOS — Sihanoukville International Airport · Sihanoukville, 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 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
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
Frequently asked questions
How far is CSM from KOS?
The flight distance from Clinton (CSM) to Sihanoukville (KOS) 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 CSM to KOS?
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 Clinton and Sihanoukville?
Sihanoukville is 12 hours ahead of Clinton.
What is the cheapest way to fly from CSM to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CSM–KOS that never appear on search engines, with no booking fees.