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OSN to CWI: distance & flight time
Osan (Osan Air Base) → Clinton (Clinton Municipal Airport)
6,497 mi
10,455 km · 5,645 nm
13h 12m
estimated nonstop flight time
-14h
time difference · heading northeast
See live OSN→CWI fares Phone-only fares on this route — call free
Flight time details
6,497 miles nonstop takes roughly 13h 12m 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
- CWI — Clinton Municipal Airport · Clinton, 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 CWI
- MLI · Quad City International Airport28 mi away
- DBQ · Dubuque Regional Airport44 mi away
- GBG · Galesburg Municipal Airport62 mi away
- IOW · Iowa City Municipal Airport64 mi away
Frequently asked questions
How far is OSN from CWI?
The flight distance from Osan (OSN) to Clinton (CWI) is 6,497 miles (10,455 km, 5,645 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to CWI?
A nonstop flight takes about 13h 12m 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 Clinton?
Clinton is 14 hours behind Osan.
What is the cheapest way to fly from OSN to CWI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–CWI that never appear on search engines, with no booking fees.