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OSL to FSI: distance & flight time
Oslo (Oslo Lufthavn) → Fort Sill (Henry Post Army Air Field (Fort Sill))
4,775 mi
7,685 km · 4,150 nm
9h 50m
estimated nonstop flight time
-7h
time difference · heading northwest
See live OSL→FSI fares Phone-only fares on this route — call free
Flight time details
4,775 miles nonstop takes roughly 9h 50m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- OSL — Oslo Lufthavn · Oslo, Norway
- 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 OSL
- FBU · Oslo, Fornebu Airport22 mi away
- HMR · Stafsberg Airport48 mi away
- RYG · Moss Airport, Rygge52 mi away
- TYF · Torsby Airport67 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 OSL from FSI?
The flight distance from Oslo (OSL) to Fort Sill (FSI) is 4,775 miles (7,685 km, 4,150 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSL to FSI?
A nonstop flight takes about 9h 50m 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 Oslo and Fort Sill?
Fort Sill is 7 hours behind Oslo.
What is the cheapest way to fly from OSL to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSL–FSI that never appear on search engines, with no booking fees.