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OTM to OSN: distance & flight time
Ottumwa (Ottumwa Regional Airport) → Osan (Osan Air Base)
6,486 mi
10,437 km · 5,636 nm
13h 11m
estimated nonstop flight time
—
time difference · heading northwest
See live OTM→OSN fares Phone-only fares on this route — call free
Flight time details
6,486 miles nonstop takes roughly 13h 11m gate to gate, flying northwest. 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
- OTM — Ottumwa Regional Airport · Ottumwa, 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 OTM
- IOW · Iowa City Municipal Airport59 mi away
- CID · The Eastern Iowa Airport66 mi away
- DSM · Des Moines International Airport70 mi away
- IRK · Kirksville Regional Airport70 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 OTM from OSN?
The flight distance from Ottumwa (OTM) to Osan (OSN) is 6,486 miles (10,437 km, 5,636 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OTM to OSN?
A nonstop flight takes about 13h 11m 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 OTM to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OTM–OSN that never appear on search engines, with no booking fees.