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OSN to SDJ: distance & flight time
Osan (Osan Air Base) → Sendai (Sendai Airport)
763 mi
1,228 km · 663 nm
2h 7m
estimated nonstop flight time
Same time
time difference · heading east
See live OSN→SDJ fares Phone-only fares on this route — call free
Flight time details
763 miles nonstop takes roughly 2h 7m 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
- SDJ — Sendai Airport · Sendai, 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 SDJ
- GAJ · Yamagata Airport35 mi away
- FKS · Fukushima Airport68 mi away
- SYO · Shonai Airport77 mi away
- HNA · Hanamaki Airport90 mi away
Frequently asked questions
How far is OSN from SDJ?
The flight distance from Osan (OSN) to Sendai (SDJ) is 763 miles (1,228 km, 663 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to SDJ?
A nonstop flight takes about 2h 7m 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 SDJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–SDJ that never appear on search engines, with no booking fees.