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OSN to TOP: distance & flight time
Osan (Osan Air Base) → Topeka (Philip Billard Municipal Airport)
6,517 mi
10,488 km · 5,663 nm
13h 15m
estimated nonstop flight time
-14h
time difference · heading northeast
See live OSN→TOP fares Phone-only fares on this route — call free
Flight time details
6,517 miles nonstop takes roughly 13h 15m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- TOP — Philip Billard Municipal Airport · Topeka, United States
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 TOP
- FOE · Topeka Regional Airport - Forbes Field8 mi away
- LWC · Lawrence Municipal Airport22 mi away
- FLV · Sherman Army Air Field43 mi away
- JCI · New Century Aircenter Airport43 mi away
Frequently asked questions
How far is OSN from TOP?
The flight distance from Osan (OSN) to Topeka (TOP) is 6,517 miles (10,488 km, 5,663 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to TOP?
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 Osan and Topeka?
Topeka is 14 hours behind Osan.
What is the cheapest way to fly from OSN to TOP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–TOP that never appear on search engines, with no booking fees.