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FSI to CWI: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Clinton (Clinton Municipal Airport)
661 mi
1,064 km · 575 nm
1h 54m
estimated nonstop flight time
Same time
time difference · heading northeast
See live FSI→CWI fares Phone-only fares on this route — call free
Flight time details
661 miles nonstop takes roughly 1h 54m gate to gate, flying northeast. 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
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, United States
- CWI — Clinton Municipal Airport · Clinton, 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 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
Near CWI
- MLI · Quad City International Airport28 mi away
- DBQ · Dubuque Regional Airport44 mi away
- GBG · Galesburg Municipal Airport62 mi away
- IOW · Iowa City Municipal Airport64 mi away
Frequently asked questions
How far is FSI from CWI?
The flight distance from Fort Sill (FSI) to Clinton (CWI) is 661 miles (1,064 km, 575 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to CWI?
A nonstop flight takes about 1h 54m 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 FSI to CWI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–CWI that never appear on search engines, with no booking fees.