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OBS to FSI: distance & flight time
Aubenas-vals-lanas (Aubenas-Ardèche Méridional Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
5,139 mi
8,271 km · 4,466 nm
10h 33m
estimated nonstop flight time
-7h
time difference · heading northwest
See live OBS→FSI fares Phone-only fares on this route — call free
Flight time details
5,139 miles nonstop takes roughly 10h 33m 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
- OBS — Aubenas-Ardèche Méridional Airport · Aubenas-vals-lanas, France
- 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 OBS
- XOG · Orange-Caritat (BA 115) Air Base37 mi away
- VAF · Valence-Chabeuil Airport39 mi away
- MEN · Mende-Brenoux Airfield41 mi away
- LPY · Le Puy-Loudes Airport48 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 OBS from FSI?
The flight distance from Aubenas-vals-lanas (OBS) to Fort Sill (FSI) is 5,139 miles (8,271 km, 4,466 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OBS to FSI?
A nonstop flight takes about 10h 33m 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 Aubenas-vals-lanas and Fort Sill?
Fort Sill is 7 hours behind Aubenas-vals-lanas.
What is the cheapest way to fly from OBS to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OBS–FSI that never appear on search engines, with no booking fees.