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OSN to EAS: distance & flight time
Osan (Osan Air Base) → San Sebastian (San Sebastian Airport)
6,019 mi
9,686 km · 5,230 nm
12h 16m
estimated nonstop flight time
-7h
time difference · heading northwest
See live OSN→EAS fares Phone-only fares on this route — call free
Flight time details
6,019 miles nonstop takes roughly 12h 16m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- EAS — San Sebastian Airport · San Sebastian, Spain
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 EAS
- BIQ · Biarritz-Anglet-Bayonne Airport15 mi away
- PNA · Pamplona Airport41 mi away
- BIO · Bilbao Airport56 mi away
- VIT · Vitoria/Foronda Airport57 mi away
Frequently asked questions
How far is OSN from EAS?
The flight distance from Osan (OSN) to San Sebastian (EAS) is 6,019 miles (9,686 km, 5,230 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to EAS?
A nonstop flight takes about 12h 16m 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 time difference between Osan and San Sebastian?
San Sebastian is 7 hours behind Osan.
What is the cheapest way to fly from OSN to EAS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–EAS that never appear on search engines, with no booking fees.