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KOS to SWO: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Stillwater (Stillwater Regional Airport)
8,937 mi
14,382 km · 7,766 nm
17h 59m
estimated nonstop flight time
-12h
time difference · heading north
See live KOS→SWO fares Phone-only fares on this route — call free
Flight time details
8,937 miles nonstop takes roughly 17h 59m gate to gate, flying north. 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
- SWO — Stillwater Regional Airport · Stillwater, 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 SWO
- CUH · Cushing Municipal Airport23 mi away
- PNC · Ponca City Regional Airport39 mi away
- END · Vance Air Force Base48 mi away
- TIK · Tinker Air Force Base54 mi away
Frequently asked questions
How far is KOS from SWO?
The flight distance from Sihanoukville (KOS) to Stillwater (SWO) is 8,937 miles (14,382 km, 7,766 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to SWO?
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 Stillwater?
Stillwater is 12 hours behind Sihanoukville.
What is the cheapest way to fly from KOS to SWO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–SWO that never appear on search engines, with no booking fees.