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ASJ to OSN: distance & flight time
Amami (Amami Airport) → Osan (Osan Air Base)
618 mi
995 km · 537 nm
1h 49m
estimated nonstop flight time
Same time
time difference · heading north
See live ASJ→OSN fares Phone-only fares on this route — call free
Flight time details
618 miles nonstop takes roughly 1h 49m gate to gate, flying north. 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
- ASJ — Amami Airport · Amami, 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 ASJ
- KKX · Kikai Airport15 mi away
- TKN · Tokunoshima Airport65 mi away
- OKE · Okierabu Airport93 mi away
- RNJ · Yoron Airport125 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 ASJ from OSN?
The flight distance from Amami (ASJ) to Osan (OSN) is 618 miles (995 km, 537 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ASJ to OSN?
A nonstop flight takes about 1h 49m 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 ASJ to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ASJ–OSN that never appear on search engines, with no booking fees.