Need help booking?
Unpublished phone-only deals available
OSN to MSO: distance & flight time
Osan (Osan Air Base) → Missoula (Missoula International Airport)
5,513 mi
8,872 km · 4,790 nm
11h 17m
estimated nonstop flight time
-15h
time difference · heading northeast
See live OSN→MSO fares Phone-only fares on this route — call free
Flight time details
5,513 miles nonstop takes roughly 11h 17m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- MSO — Missoula International Airport · Missoula, 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 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
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
Frequently asked questions
How far is OSN from MSO?
The flight distance from Osan (OSN) to Missoula (MSO) 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 OSN to MSO?
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 Osan and Missoula?
Missoula is 15 hours behind Osan.
What is the cheapest way to fly from OSN to MSO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–MSO that never appear on search engines, with no booking fees.