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SEP to CNG: distance & flight time
Stephenville (Stephenville Clark Regional Airport) → Cognac (Cognac-Châteaubernard (BA 709) Air Base)
5,011 mi
8,064 km · 4,354 nm
10h 17m
estimated nonstop flight time
+7h
time difference · heading northeast
See live SEP→CNG fares Phone-only fares on this route — call free
Flight time details
5,011 miles nonstop takes roughly 10h 17m gate to gate, flying northeast. 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
- SEP — Stephenville Clark Regional Airport · Stephenville, United States
- CNG — Cognac-Châteaubernard (BA 709) Air Base · Cognac, France
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 SEP
- MWL · Mineral Wells Airport40 mi away
- DFW · Dallas Fort Worth International Airport81 mi away
- BKD · Stephens County Airport54 mi away
- FWH · NAS Fort Worth JRB/Carswell Field57 mi away
Near CNG
- ANG · Angoulême-Brie-Champniers Airport26 mi away
- RYN · Royan-Médis Airport32 mi away
- RCO · Rochefort-Saint-Agnant (BA 721) Airport36 mi away
- NIT · Niort-Souché Airport45 mi away
Frequently asked questions
How far is SEP from CNG?
The flight distance from Stephenville (SEP) to Cognac (CNG) is 5,011 miles (8,064 km, 4,354 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEP to CNG?
A nonstop flight takes about 10h 17m 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 Stephenville and Cognac?
Cognac is 7 hours ahead of Stephenville.
What is the cheapest way to fly from SEP to CNG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEP–CNG that never appear on search engines, with no booking fees.