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ALW to KOS: distance & flight time
Walla Walla (Walla Walla Regional Airport) → Sihanoukville (Sihanoukville International Airport)
7,740 mi
12,456 km · 6,726 nm
15h 39m
estimated nonstop flight time
+14h
time difference · heading northwest
See live ALW→KOS fares Phone-only fares on this route — call free
Flight time details
7,740 miles nonstop takes roughly 15h 39m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- ALW — Walla Walla Regional Airport · Walla Walla, 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 ALW
- PDT · Eastern Oregon Regional At Pendleton Airport38 mi away
- PSC · Tri Cities Airport41 mi away
- LGD · La Grande/Union County Airport57 mi away
- LWS · Lewiston Nez Perce County Airport64 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 ALW from KOS?
The flight distance from Walla Walla (ALW) to Sihanoukville (KOS) is 7,740 miles (12,456 km, 6,726 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALW to KOS?
A nonstop flight takes about 15h 39m 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 Walla Walla and Sihanoukville?
Sihanoukville is 14 hours ahead of Walla Walla.
What is the cheapest way to fly from ALW to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALW–KOS that never appear on search engines, with no booking fees.