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YWM to KOS: distance & flight time
Williams Harbour (Williams Harbour Airport) → Sihanoukville (Sihanoukville International Airport)
7,906 mi
12,724 km · 6,870 nm
15h 58m
estimated nonstop flight time
+9.5h
time difference · heading north
See live YWM→KOS fares Phone-only fares on this route — call free
Flight time details
7,906 miles nonstop takes roughly 15h 58m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9.5-hour time gain when reading arrival times on your ticket.
The two airports
- YWM — Williams Harbour Airport · Williams Harbour, Canada
- 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 YWM
- YFX · St. Lewis (Fox Harbour) Airport14 mi away
- YMH · Mary's Harbour Airport18 mi away
- YHA · Port Hope Simpson Airport21 mi away
- YBI · Black Tickle Airport62 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 YWM from KOS?
The flight distance from Williams Harbour (YWM) to Sihanoukville (KOS) is 7,906 miles (12,724 km, 6,870 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YWM to KOS?
A nonstop flight takes about 15h 58m 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 Williams Harbour and Sihanoukville?
Sihanoukville is 9.5 hours ahead of Williams Harbour.
What is the cheapest way to fly from YWM to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YWM–KOS that never appear on search engines, with no booking fees.