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EOK to OSN: distance & flight time
Keokuk (Keokuk Municipal Airport) → Osan (Osan Air Base)
6,551 mi
10,543 km · 5,693 nm
13h 19m
estimated nonstop flight time
+14h
time difference · heading northwest
See live EOK→OSN fares Phone-only fares on this route — call free
Flight time details
6,551 miles nonstop takes roughly 13h 19m 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
- EOK — Keokuk Municipal Airport · Keokuk, 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 EOK
- BRL · Southeast Iowa Regional Airport27 mi away
- UIN · Quincy Regional Baldwin Field38 mi away
- GBG · Galesburg Municipal Airport62 mi away
- IRK · Kirksville Regional Airport64 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 EOK from OSN?
The flight distance from Keokuk (EOK) to Osan (OSN) is 6,551 miles (10,543 km, 5,693 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from EOK to OSN?
A nonstop flight takes about 13h 19m 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 Keokuk and Osan?
Osan is 14 hours ahead of Keokuk.
What is the cheapest way to fly from EOK to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on EOK–OSN that never appear on search engines, with no booking fees.