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OKC to KOS: distance & flight time
Oklahoma City (Will Rogers World Airport) → Sihanoukville (Sihanoukville International Airport)
8,971 mi
14,437 km · 7,795 nm
18h 3m
estimated nonstop flight time
+12h
time difference · heading northwest
See live OKC→KOS fares Phone-only fares on this route — call free
Flight time details
8,971 miles nonstop takes roughly 18h 3m 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
- OKC — Will Rogers World Airport · Oklahoma City, 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 OKC
- PWA · Wiley Post Airport10 mi away
- TIK · Tinker Air Force Base12 mi away
- SWO · Stillwater Regional Airport60 mi away
- CUH · Cushing Municipal Airport60 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 OKC from KOS?
The flight distance from Oklahoma City (OKC) to Sihanoukville (KOS) is 8,971 miles (14,437 km, 7,795 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OKC to KOS?
A nonstop flight takes about 18h 3m 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 Oklahoma City and Sihanoukville?
Sihanoukville is 12 hours ahead of Oklahoma City.
What is the cheapest way to fly from OKC to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OKC–KOS that never appear on search engines, with no booking fees.