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Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on EAS–OSN that never appear on search engines, with no booking fees.