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OSN to IOW: distance & flight time
Osan (Osan Air Base) → Iowa City (Iowa City Municipal Airport)
6,477 mi
10,424 km · 5,629 nm
13h 10m
estimated nonstop flight time
-14h
time difference · heading northeast
See live OSN→IOW fares Phone-only fares on this route — call free
Flight time details
6,477 miles nonstop takes roughly 13h 10m 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
- IOW — Iowa City Municipal Airport · Iowa City, 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 IOW
- CID · The Eastern Iowa Airport19 mi away
- MLI · Quad City International Airport55 mi away
- OTM · Ottumwa Regional Airport59 mi away
- BRL · Southeast Iowa Regional Airport63 mi away
Frequently asked questions
How far is OSN from IOW?
The flight distance from Osan (OSN) to Iowa City (IOW) is 6,477 miles (10,424 km, 5,629 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to IOW?
A nonstop flight takes about 13h 10m 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 Iowa City?
Iowa City is 14 hours behind Osan.
What is the cheapest way to fly from OSN to IOW?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–IOW that never appear on search engines, with no booking fees.