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NJA to OSN: distance & flight time
Atsugi (Atsugi Naval Air Facility) → Osan (Osan Air Base)
700 mi
1,127 km · 609 nm
1h 59m
estimated nonstop flight time
Same time
time difference · heading west
See live NJA→OSN fares Phone-only fares on this route — call free
Flight time details
700 miles nonstop takes roughly 1h 59m gate to gate, flying west. 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
- NJA — Atsugi Naval Air Facility · Atsugi, Japan
- 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 NJA
- HND · Tokyo Haneda International Airport20 mi away
- NRT · Narita International Airport57 mi away
- OKO · Yokota Air Base21 mi away
- OIM · Oshima Airport47 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 NJA from OSN?
The flight distance from Atsugi (NJA) to Osan (OSN) is 700 miles (1,127 km, 609 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NJA to OSN?
A nonstop flight takes about 1h 59m 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 NJA to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NJA–OSN that never appear on search engines, with no booking fees.