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PAO to OSN: distance & flight time
Palo Alto (Palo Alto Airport of Santa Clara County) → Osan (Osan Air Base)
5,657 mi
9,104 km · 4,916 nm
11h 34m
estimated nonstop flight time
+16h
time difference · heading northwest
See live PAO→OSN fares Phone-only fares on this route — call free
Flight time details
5,657 miles nonstop takes roughly 11h 34m 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
- PAO — Palo Alto Airport of Santa Clara County · Palo Alto, 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 PAO
- SFO · San Francisco International Airport18 mi away
- NUQ · Moffett Federal Airfield5 mi away
- SQL · San Carlos Airport8 mi away
- SJC · Norman Y. Mineta San Jose International Airport12 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 PAO from OSN?
The flight distance from Palo Alto (PAO) to Osan (OSN) is 5,657 miles (9,104 km, 4,916 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PAO to OSN?
A nonstop flight takes about 11h 34m 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 Palo Alto and Osan?
Osan is 16 hours ahead of Palo Alto.
What is the cheapest way to fly from PAO to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PAO–OSN that never appear on search engines, with no booking fees.