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OSN to MWH: distance & flight time
Osan (Osan Air Base) → Grant County Airport (Grant County International Airport)
5,319 mi
8,561 km · 4,622 nm
10h 54m
estimated nonstop flight time
-16h
time difference · heading northeast
See live OSN→MWH fares Phone-only fares on this route — call free
Flight time details
5,319 miles nonstop takes roughly 10h 54m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- MWH — Grant County International Airport · Grant County Airport, 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 MWH
- EAT · Pangborn Memorial Airport44 mi away
- PSC · Tri Cities Airport66 mi away
- YKM · Yakima Air Terminal McAllister Field73 mi away
- SKA · Fairchild Air Force Base83 mi away
Frequently asked questions
How far is OSN from MWH?
The flight distance from Osan (OSN) to Grant County Airport (MWH) is 5,319 miles (8,561 km, 4,622 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to MWH?
A nonstop flight takes about 10h 54m 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 Grant County Airport?
Grant County Airport is 16 hours behind Osan.
What is the cheapest way to fly from OSN to MWH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–MWH that never appear on search engines, with no booking fees.