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FOE to OSN: distance & flight time
Topeka (Topeka Regional Airport - Forbes Field) → Osan (Osan Air Base)
6,523 mi
10,497 km · 5,668 nm
13h 15m
estimated nonstop flight time
+14h
time difference · heading northwest
See live FOE→OSN fares Phone-only fares on this route — call free
Flight time details
6,523 miles nonstop takes roughly 13h 15m 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
- FOE — Topeka Regional Airport - Forbes Field · Topeka, 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 FOE
- TOP · Philip Billard Municipal Airport8 mi away
- LWC · Lawrence Municipal Airport24 mi away
- JCI · New Century Aircenter Airport42 mi away
- FLV · Sherman Army Air Field49 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 FOE from OSN?
The flight distance from Topeka (FOE) to Osan (OSN) is 6,523 miles (10,497 km, 5,668 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FOE to OSN?
A nonstop flight takes about 13h 15m 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 Topeka and Osan?
Osan is 14 hours ahead of Topeka.
What is the cheapest way to fly from FOE to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FOE–OSN that never appear on search engines, with no booking fees.