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Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–ASJ that never appear on search engines, with no booking fees.