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MSO to KOS: distance & flight time
Missoula (Missoula International Airport) → Sihanoukville (Sihanoukville International Airport)
7,834 mi
12,608 km · 6,808 nm
15h 50m
estimated nonstop flight time
+13h
time difference · heading northwest
See live MSO→KOS fares Phone-only fares on this route — call free
Flight time details
7,834 miles nonstop takes roughly 15h 50m 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
- MSO — Missoula International Airport · Missoula, 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 MSO
- FCA · Glacier Park International Airport97 mi away
- BTM · Bert Mooney Airport101 mi away
- HLN · Helena Regional Airport102 mi away
- SMN · Lemhi County Airport124 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 MSO from KOS?
The flight distance from Missoula (MSO) to Sihanoukville (KOS) is 7,834 miles (12,608 km, 6,808 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MSO to KOS?
A nonstop flight takes about 15h 50m 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 Missoula and Sihanoukville?
Sihanoukville is 13 hours ahead of Missoula.
What is the cheapest way to fly from MSO to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MSO–KOS that never appear on search engines, with no booking fees.