Need help booking?
Unpublished phone-only deals available
SJC to OSN: distance & flight time
San Jose (Norman Y. Mineta San Jose International Airport) → Osan (Osan Air Base)
5,669 mi
9,123 km · 4,926 nm
11h 35m
estimated nonstop flight time
+16h
time difference · heading northwest
See live SJC→OSN fares Phone-only fares on this route — call free
Flight time details
5,669 miles nonstop takes roughly 11h 35m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time gain when reading arrival times on your ticket.
The two airports
- SJC — Norman Y. Mineta San Jose International Airport · San Jose, United States
- 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 SJC
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 SJC from OSN?
The flight distance from San Jose (SJC) to Osan (OSN) is 5,669 miles (9,123 km, 4,926 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SJC to OSN?
A nonstop flight takes about 11h 35m 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 Jose and Osan?
Osan is 16 hours ahead of San Jose.
What is the cheapest way to fly from SJC to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SJC–OSN that never appear on search engines, with no booking fees.