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FSI to ALF: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Alta (Alta Airport)
4,650 mi
7,484 km · 4,041 nm
9h 35m
estimated nonstop flight time
+7h
time difference · heading north
See live FSI→ALF fares Phone-only fares on this route — call free
Flight time details
4,650 miles nonstop takes roughly 9h 35m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, United States
- ALF — Alta Airport · Alta, Norway
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 ALF
- LKL · Banak Airport38 mi away
- HAA · Hasvik Airport46 mi away
- HFT · Hammerfest Airport49 mi away
- SOJ · Sørkjosen Airport59 mi away
Frequently asked questions
How far is FSI from ALF?
The flight distance from Fort Sill (FSI) to Alta (ALF) is 4,650 miles (7,484 km, 4,041 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to ALF?
A nonstop flight takes about 9h 35m 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 Fort Sill and Alta?
Alta is 7 hours ahead of Fort Sill.
What is the cheapest way to fly from FSI to ALF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–ALF that never appear on search engines, with no booking fees.