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KIY to OSN: distance & flight time
Kilwa Masoko (Kilwa Masoko Airport) → Osan (Osan Air Base)
6,453 mi
10,386 km · 5,608 nm
13h 7m
estimated nonstop flight time
—
time difference · heading northeast
See live KIY→OSN fares Phone-only fares on this route — call free
Flight time details
6,453 miles nonstop takes roughly 13h 7m gate to gate, flying northeast. 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
- KIY — Kilwa Masoko Airport · Kilwa Masoko, Tanzania
- 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 KIY
- LDI · Lindi Airport67 mi away
- MFA · Mafia Island Airport70 mi away
- MYW · Mtwara Airport109 mi away
- DAR · Julius Nyerere International Airport142 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 KIY from OSN?
The flight distance from Kilwa Masoko (KIY) to Osan (OSN) is 6,453 miles (10,386 km, 5,608 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KIY to OSN?
A nonstop flight takes about 13h 7m 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 cheapest way to fly from KIY to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KIY–OSN that never appear on search engines, with no booking fees.