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OKK to OSN: distance & flight time
Kokomo (Kokomo Municipal Airport) → Osan (Osan Air Base)
6,679 mi
10,749 km · 5,804 nm
13h 34m
estimated nonstop flight time
—
time difference · heading northwest
See live OKK→OSN fares Phone-only fares on this route — call free
Flight time details
6,679 miles nonstop takes roughly 13h 34m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- OKK — Kokomo Municipal Airport · Kokomo, 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 OKK
- GUS · Grissom Air Reserve Base10 mi away
- AID · Anderson Municipal Darlington Field37 mi away
- MIE · Delaware County Johnson Field40 mi away
- LAF · Purdue University Airport47 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 OKK from OSN?
The flight distance from Kokomo (OKK) to Osan (OSN) is 6,679 miles (10,749 km, 5,804 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OKK to OSN?
A nonstop flight takes about 13h 34m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from OKK to OSN?
Nonstop service on OKK–OSN depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 13h 34m nonstop estimate.
What is the cheapest way to fly from OKK to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OKK–OSN that never appear on search engines, with no booking fees.
Why are some OKK to OSN fares phone-only?
Consolidator contracts let us sell certain OKK–OSN tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.