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OSN to FKS: distance & flight time
Osan (Osan Air Base) → Fukushima (Fukushima Airport)
737 mi
1,187 km · 641 nm
2h 4m
estimated nonstop flight time
Same time
time difference · heading east
See live OSN→FKS fares Phone-only fares on this route — call free
Flight time details
737 miles nonstop takes roughly 2h 4m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- FKS — Fukushima Airport · Fukushima, Japan
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 FKS
- NRT · Narita International Airport101 mi away
- SDJ · Sendai Airport68 mi away
- IBR · Hyakuri Airport72 mi away
- HND · Tokyo Haneda International Airport121 mi away
Frequently asked questions
How far is OSN from FKS?
The flight distance from Osan (OSN) to Fukushima (FKS) is 737 miles (1,187 km, 641 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to FKS?
A nonstop flight takes about 2h 4m 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 cheapest way to fly from OSN to FKS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–FKS that never appear on search engines, with no booking fees.