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CPR to KOS: distance & flight time
Casper (Casper-Natrona County International Airport) → Sihanoukville (Sihanoukville International Airport)
8,282 mi
13,328 km · 7,197 nm
16h 42m
estimated nonstop flight time
+13h
time difference · heading northwest
See live CPR→KOS fares Phone-only fares on this route — call free
Flight time details
8,282 miles nonstop takes roughly 16h 42m 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
- CPR — Casper-Natrona County International Airport · Casper, 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 CPR
- RWL · Rawlins Municipal Airport/Harvey Field85 mi away
- RIW · Riverton Regional Airport101 mi away
- SAA · Shively Field103 mi away
- WRL · Worland Municipal Airport104 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 CPR from KOS?
The flight distance from Casper (CPR) to Sihanoukville (KOS) is 8,282 miles (13,328 km, 7,197 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CPR to KOS?
A nonstop flight takes about 16h 42m 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 Casper and Sihanoukville?
Sihanoukville is 13 hours ahead of Casper.
What is the cheapest way to fly from CPR to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CPR–KOS that never appear on search engines, with no booking fees.