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FMN to FSI: distance & flight time
Farmington (Four Corners Regional Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
570 mi
917 km · 495 nm
1h 42m
estimated nonstop flight time
+1h
time difference · heading east
See live FMN→FSI fares Phone-only fares on this route — call free
Flight time details
570 miles nonstop takes roughly 1h 42m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- FMN — Four Corners Regional Airport · Farmington, 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 FMN
- DRO · Durango La Plata County Airport39 mi away
- CEZ · Cortez Municipal Airport45 mi away
- TEX · Telluride Regional Airport86 mi away
- GUP · Gallup Municipal Airport91 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 FMN from FSI?
The flight distance from Farmington (FMN) to Fort Sill (FSI) is 570 miles (917 km, 495 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FMN to FSI?
A nonstop flight takes about 1h 42m 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 Farmington and Fort Sill?
Fort Sill is 1 hour ahead of Farmington.
What is the cheapest way to fly from FMN to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FMN–FSI that never appear on search engines, with no booking fees.