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OTM to FSI: distance & flight time
Ottumwa (Ottumwa Regional Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
551 mi
888 km · 479 nm
1h 40m
estimated nonstop flight time
—
time difference · heading southwest
See live OTM→FSI fares Phone-only fares on this route — call free
Flight time details
551 miles nonstop takes roughly 1h 40m gate to gate, flying southwest. 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
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, 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 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 FSI
- LAW · Lawton Fort Sill Regional Airport6 mi away
- DUC · Halliburton Field28 mi away
- HBR · Hobart Regional Airport44 mi away
- SPS · Sheppard Air Force Base-Wichita Falls Municipal Airport46 mi away
Frequently asked questions
How far is OTM from FSI?
The flight distance from Ottumwa (OTM) to Fort Sill (FSI) is 551 miles (888 km, 479 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OTM to FSI?
A nonstop flight takes about 1h 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 cheapest way to fly from OTM to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OTM–FSI that never appear on search engines, with no booking fees.