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IKK to OSN: distance & flight time
Kankakee (Greater Kankakee Airport) → Osan (Osan Air Base)
6,604 mi
10,627 km · 5,738 nm
13h 25m
estimated nonstop flight time
+14h
time difference · heading northwest
See live IKK→OSN fares Phone-only fares on this route — call free
Flight time details
6,604 miles nonstop takes roughly 13h 25m 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
- IKK — Greater Kankakee Airport · Kankakee, 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 IKK
- ORD · Chicago O'Hare International Airport63 mi away
- JOT · Joliet Regional Airport35 mi away
- RNZ · Jasper County Airport36 mi away
- LOT · Lewis University Airport39 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 IKK from OSN?
The flight distance from Kankakee (IKK) to Osan (OSN) is 6,604 miles (10,627 km, 5,738 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IKK to OSN?
A nonstop flight takes about 13h 25m 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 Kankakee and Osan?
Osan is 14 hours ahead of Kankakee.
What is the cheapest way to fly from IKK to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IKK–OSN that never appear on search engines, with no booking fees.