Need help booking?
Unpublished phone-only deals available
FBU to FSI: distance & flight time
Oslo (Oslo, Fornebu Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
4,772 mi
7,679 km · 4,146 nm
9h 49m
estimated nonstop flight time
-7h
time difference · heading northwest
See live FBU→FSI fares Phone-only fares on this route — call free
Flight time details
4,772 miles nonstop takes roughly 9h 49m 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
- FBU — Oslo, Fornebu Airport · 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 FBU
- OSL · Oslo Lufthavn22 mi away
- RYG · Moss Airport, Rygge36 mi away
- TRF · Sandefjord Airport, Torp51 mi away
- NTB · Notodden Airport54 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 FBU from FSI?
The flight distance from Oslo (FBU) to Fort Sill (FSI) is 4,772 miles (7,679 km, 4,146 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FBU to FSI?
A nonstop flight takes about 9h 49m 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 FBU to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FBU–FSI that never appear on search engines, with no booking fees.