Need help booking?
Unpublished phone-only deals available
OSN to KIS: distance & flight time
Osan (Osan Air Base) → Kisumu (Kisumu Airport)
6,349 mi
10,217 km · 5,517 nm
12h 55m
estimated nonstop flight time
-6h
time difference · heading west
See live OSN→KIS fares Phone-only fares on this route — call free
Flight time details
6,349 miles nonstop takes roughly 12h 55m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- KIS — Kisumu Airport · Kisumu, Kenya
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 KIS
- GGM · Kakamega Airport25 mi away
- KEY · Kericho Airport41 mi away
- EDL · Eldoret International Airport49 mi away
- KTL · Kitale Airport75 mi away
Frequently asked questions
How far is OSN from KIS?
The flight distance from Osan (OSN) to Kisumu (KIS) is 6,349 miles (10,217 km, 5,517 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to KIS?
A nonstop flight takes about 12h 55m 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 Kisumu?
Kisumu is 6 hours behind Osan.
What is the cheapest way to fly from OSN to KIS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–KIS that never appear on search engines, with no booking fees.