Need help booking?
Unpublished phone-only deals available
MFI to OSN: distance & flight time
Marshfield (Marshfield Municipal Airport) → Osan (Osan Air Base)
6,330 mi
10,188 km · 5,501 nm
12h 53m
estimated nonstop flight time
+14h
time difference · heading northwest
See live MFI→OSN fares Phone-only fares on this route — call free
Flight time details
6,330 miles nonstop takes roughly 12h 53m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- MFI — Marshfield Municipal Airport · Marshfield, 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 MFI
- ISW · Alexander Field South Wood County Airport26 mi away
- CWA · Central Wisconsin Airport27 mi away
- STE · Stevens Point Municipal Airport33 mi away
- AUW · Wausau Downtown Airport34 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 MFI from OSN?
The flight distance from Marshfield (MFI) to Osan (OSN) is 6,330 miles (10,188 km, 5,501 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MFI to OSN?
A nonstop flight takes about 12h 53m 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 Marshfield and Osan?
Osan is 14 hours ahead of Marshfield.
What is the cheapest way to fly from MFI to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MFI–OSN that never appear on search engines, with no booking fees.