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OSN to DNA: distance & flight time
Osan (Osan Air Base) → Kadena (Kadena Air Base)
743 mi
1,196 km · 646 nm
2h 5m
estimated nonstop flight time
Same time
time difference · heading south
See live OSN→DNA fares Phone-only fares on this route — call free
Flight time details
743 miles nonstop takes roughly 2h 5m 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
- DNA — Kadena Air Base · Kadena, 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 DNA
- OKA · Naha Airport13 mi away
- IEJ · Ie Jima Airport25 mi away
- KJP · Kerama Airport32 mi away
- AGJ · Aguni Airport36 mi away
Frequently asked questions
How far is OSN from DNA?
The flight distance from Osan (OSN) to Kadena (DNA) is 743 miles (1,196 km, 646 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to DNA?
A nonstop flight takes about 2h 5m 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 DNA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–DNA that never appear on search engines, with no booking fees.