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MSO to OSN: distance & flight time
Missoula (Missoula International Airport) → Osan (Osan Air Base)
5,513 mi
8,872 km · 4,790 nm
11h 17m
estimated nonstop flight time
+15h
time difference · heading northwest
See live MSO→OSN fares Phone-only fares on this route — call free
Flight time details
5,513 miles nonstop takes roughly 11h 17m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- MSO — Missoula International Airport · Missoula, United States
- OSN — Osan Air Base · Osan, South Korea
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 OSN
- ICN · Incheon International Airport41 mi away
- SWU · Suwon Airport10 mi away
- SSN · Seoul Air Base (K-16)25 mi away
- GMP · Gimpo International Airport35 mi away
Frequently asked questions
How far is MSO from OSN?
The flight distance from Missoula (MSO) to Osan (OSN) is 5,513 miles (8,872 km, 4,790 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MSO to OSN?
A nonstop flight takes about 11h 17m 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 Osan?
Osan is 15 hours ahead of Missoula.
What is the cheapest way to fly from MSO to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MSO–OSN that never appear on search engines, with no booking fees.