Need help booking?
Unpublished phone-only deals available
OSN to EAU: distance & flight time
Osan (Osan Air Base) → Eau Claire (Chippewa Valley Regional Airport)
6,285 mi
10,115 km · 5,462 nm
12h 47m
estimated nonstop flight time
-14h
time difference · heading northeast
See live OSN→EAU fares Phone-only fares on this route — call free
Flight time details
6,285 miles nonstop takes roughly 12h 47m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- EAU — Chippewa Valley Regional Airport · Eau Claire, United States
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 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
Near EAU
Frequently asked questions
How far is OSN from EAU?
The flight distance from Osan (OSN) to Eau Claire (EAU) 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 OSN to EAU?
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 Osan and Eau Claire?
Eau Claire is 14 hours behind Osan.
What is the cheapest way to fly from OSN to EAU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–EAU that never appear on search engines, with no booking fees.