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OLM to OSN: distance & flight time
Olympia (Olympia Regional Airport) → Osan (Osan Air Base)
5,201 mi
8,371 km · 4,520 nm
10h 40m
estimated nonstop flight time
+16h
time difference · heading northwest
See live OLM→OSN fares Phone-only fares on this route — call free
Flight time details
5,201 miles nonstop takes roughly 10h 40m 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
- OLM — Olympia Regional Airport · Olympia, 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 OLM
- SEA · Seattle Tacoma International Airport43 mi away
- GRF · Gray Army Air Field17 mi away
- CLS · Chehalis Centralia Airport21 mi away
- SHN · Sanderson Field22 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 OLM from OSN?
The flight distance from Olympia (OLM) to Osan (OSN) is 5,201 miles (8,371 km, 4,520 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OLM to OSN?
A nonstop flight takes about 10h 40m 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 Olympia and Osan?
Osan is 16 hours ahead of Olympia.
What is the cheapest way to fly from OLM to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OLM–OSN that never appear on search engines, with no booking fees.