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MMI to FSI: distance & flight time
Athens (McMinn County Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
784 mi
1,262 km · 681 nm
2h 10m
estimated nonstop flight time
-1h
time difference · heading west
See live MMI→FSI fares Phone-only fares on this route — call free
Flight time details
784 miles nonstop takes roughly 2h 10m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- MMI — McMinn County Airport · Athens, 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 MMI
- HDI · Hardwick Field20 mi away
- TYS · McGhee Tyson Airport43 mi away
- CHA · Lovell Field44 mi away
- CSV · Crossville Memorial Whitson Field48 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 MMI from FSI?
The flight distance from Athens (MMI) to Fort Sill (FSI) is 784 miles (1,262 km, 681 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MMI to FSI?
A nonstop flight takes about 2h 10m 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 Athens and Fort Sill?
Fort Sill is 1 hour behind Athens.
What is the cheapest way to fly from MMI to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MMI–FSI that never appear on search engines, with no booking fees.