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FSD to OSN: distance & flight time
Sioux Falls (Joe Foss Field Airport) → Osan (Osan Air Base)
6,224 mi
10,017 km · 5,409 nm
12h 40m
estimated nonstop flight time
+14h
time difference · heading northwest
See live FSD→OSN fares Phone-only fares on this route — call free
Flight time details
6,224 miles nonstop takes roughly 12h 40m 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
- FSD — Joe Foss Field Airport · Sioux Falls, 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 FSD
- YKN · Chan Gurney Municipal Airport56 mi away
- MHE · Mitchell Municipal Airport66 mi away
- SPW · Spencer Municipal Airport82 mi away
- SUX · Sioux Gateway Col. Bud Day Field83 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 FSD from OSN?
The flight distance from Sioux Falls (FSD) to Osan (OSN) is 6,224 miles (10,017 km, 5,409 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSD to OSN?
A nonstop flight takes about 12h 40m 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 Sioux Falls and Osan?
Osan is 14 hours ahead of Sioux Falls.
What is the cheapest way to fly from FSD to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSD–OSN that never appear on search engines, with no booking fees.