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OSN to YKN: distance & flight time
Osan (Osan Air Base) → Yankton (Chan Gurney Municipal Airport)
6,245 mi
10,050 km · 5,426 nm
12h 43m
estimated nonstop flight time
-14h
time difference · heading northeast
See live OSN→YKN fares Phone-only fares on this route — call free
Flight time details
6,245 miles nonstop takes roughly 12h 43m 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
- YKN — Chan Gurney Municipal Airport · Yankton, 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 YKN
- FSD · Joe Foss Field Airport56 mi away
- SUX · Sioux Gateway Col. Bud Day Field62 mi away
- OFK · Karl Stefan Memorial Airport64 mi away
- MHE · Mitchell Municipal Airport68 mi away
Frequently asked questions
How far is OSN from YKN?
The flight distance from Osan (OSN) to Yankton (YKN) is 6,245 miles (10,050 km, 5,426 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to YKN?
A nonstop flight takes about 12h 43m 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 Yankton?
Yankton is 14 hours behind Osan.
What is the cheapest way to fly from OSN to YKN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–YKN that never appear on search engines, with no booking fees.