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OSN to FMH: distance & flight time
Osan (Osan Air Base) → Falmouth (Cape Cod Coast Guard Air Station)
6,884 mi
11,079 km · 5,982 nm
13h 58m
estimated nonstop flight time
-13h
time difference · heading north
See live OSN→FMH fares Phone-only fares on this route — call free
Flight time details
6,884 miles nonstop takes roughly 13h 58m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- FMH — Cape Cod Coast Guard Air Station · Falmouth, 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 FMH
Frequently asked questions
How far is OSN from FMH?
The flight distance from Osan (OSN) to Falmouth (FMH) is 6,884 miles (11,079 km, 5,982 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to FMH?
A nonstop flight takes about 13h 58m 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 Falmouth?
Falmouth is 13 hours behind Osan.
What is the cheapest way to fly from OSN to FMH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–FMH that never appear on search engines, with no booking fees.