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EAU to OSN: distance & flight time
Eau Claire (Chippewa Valley Regional Airport) → Osan (Osan Air Base)
6,285 mi
10,115 km · 5,462 nm
12h 47m
estimated nonstop flight time
+14h
time difference · heading northwest
See live EAU→OSN fares Phone-only fares on this route — call free
Flight time details
6,285 miles nonstop takes roughly 12h 47m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- EAU — Chippewa Valley Regional Airport · Eau Claire, 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 EAU
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 EAU from OSN?
The flight distance from Eau Claire (EAU) to Osan (OSN) is 6,285 miles (10,115 km, 5,462 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from EAU to OSN?
A nonstop flight takes about 12h 47m 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 Eau Claire and Osan?
Osan is 14 hours ahead of Eau Claire.
What is the cheapest way to fly from EAU to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on EAU–OSN that never appear on search engines, with no booking fees.