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CGI to FSI: distance & flight time
Cape Girardeau (Cape Girardeau Regional Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
525 mi
845 km · 456 nm
1h 36m
estimated nonstop flight time
Same time
time difference · heading west
See live CGI→FSI fares Phone-only fares on this route — call free
Flight time details
525 miles nonstop takes roughly 1h 36m gate to gate, flying west. 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
- CGI — Cape Girardeau Regional Airport · Cape Girardeau, 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 CGI
- SIK · Sikeston Memorial Municipal Airport23 mi away
- MDH · Southern Illinois Airport42 mi away
- PAH · Barkley Regional Airport45 mi away
- MWA · Williamson County Regional Airport48 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 CGI from FSI?
The flight distance from Cape Girardeau (CGI) to Fort Sill (FSI) is 525 miles (845 km, 456 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CGI to FSI?
A nonstop flight takes about 1h 36m 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 CGI to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CGI–FSI that never appear on search engines, with no booking fees.