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CON to FSI: distance & flight time
Concord NH (Concord Municipal Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
1,553 mi
2,500 km · 1,350 nm
3h 31m
estimated nonstop flight time
-1h
time difference · heading west
See live CON→FSI fares Phone-only fares on this route — call free
Flight time details
1,553 miles nonstop takes roughly 3h 31m 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
- CON — Concord Municipal Airport · Concord NH, 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 CON
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 CON from FSI?
The flight distance from Concord NH (CON) to Fort Sill (FSI) is 1,553 miles (2,500 km, 1,350 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CON to FSI?
A nonstop flight takes about 3h 31m 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 Concord NH and Fort Sill?
Fort Sill is 1 hour behind Concord NH.
What is the cheapest way to fly from CON to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CON–FSI that never appear on search engines, with no booking fees.