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OBS to YSM: distance & flight time
Aubenas-vals-lanas (Aubenas-Ardèche Méridional Airport) → Fort Smith (Fort Smith Airport)
4,372 mi
7,036 km · 3,799 nm
9h 2m
estimated nonstop flight time
-8h
time difference · heading northwest
See live OBS→YSM fares Phone-only fares on this route — call free
Flight time details
4,372 miles nonstop takes roughly 9h 2m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- OBS — Aubenas-Ardèche Méridional Airport · Aubenas-vals-lanas, France
- YSM — Fort Smith Airport · Fort Smith, Canada
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 YSM
- YPY · Fort Chipewyan Airport92 mi away
- YFR · Fort Resolution Airport99 mi away
- YBE · Uranium City Airport125 mi away
- YHY · Hay River / Merlyn Carter Airport142 mi away
Frequently asked questions
How far is OBS from YSM?
The flight distance from Aubenas-vals-lanas (OBS) to Fort Smith (YSM) is 4,372 miles (7,036 km, 3,799 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OBS to YSM?
A nonstop flight takes about 9h 2m 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 Smith?
Fort Smith is 8 hours behind Aubenas-vals-lanas.
What is the cheapest way to fly from OBS to YSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OBS–YSM that never appear on search engines, with no booking fees.