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OSN to MCW: distance & flight time
Osan (Osan Air Base) → Mason City (Mason City Municipal Airport)
6,341 mi
10,204 km · 5,510 nm
12h 54m
estimated nonstop flight time
-14h
time difference · heading northeast
See live OSN→MCW fares Phone-only fares on this route — call free
Flight time details
6,341 miles nonstop takes roughly 12h 54m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- MCW — Mason City Municipal Airport · Mason City, 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 MCW
- CCY · Northeast Iowa Regional Airport37 mi away
- FOD · Fort Dodge Regional Airport60 mi away
- ALO · Waterloo Regional Airport63 mi away
- RST · Rochester International Airport67 mi away
Frequently asked questions
How far is OSN from MCW?
The flight distance from Osan (OSN) to Mason City (MCW) is 6,341 miles (10,204 km, 5,510 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to MCW?
A nonstop flight takes about 12h 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 Mason City?
Mason City is 14 hours behind Osan.
What is the cheapest way to fly from OSN to MCW?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–MCW that never appear on search engines, with no booking fees.