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CNG to GTF: distance & flight time
Cognac (Cognac-Châteaubernard (BA 709) Air Base) → Great Falls (Great Falls International Airport)
4,771 mi
7,679 km · 4,146 nm
9h 49m
estimated nonstop flight time
-8h
time difference · heading northwest
See live CNG→GTF fares Phone-only fares on this route — call free
Flight time details
4,771 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 8-hour time set-back when reading arrival times on your ticket.
The two airports
- CNG — Cognac-Châteaubernard (BA 709) Air Base · Cognac, France
- GTF — Great Falls International Airport · Great Falls, 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 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
Near GTF
- HLN · Helena Regional Airport67 mi away
- CTB · Cut Bank International Airport91 mi away
- LWT · Lewistown Municipal Airport94 mi away
- HVR · Havre City County Airport104 mi away
Frequently asked questions
How far is CNG from GTF?
The flight distance from Cognac (CNG) to Great Falls (GTF) is 4,771 miles (7,679 km, 4,146 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CNG to GTF?
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 Cognac and Great Falls?
Great Falls is 8 hours behind Cognac.
What is the cheapest way to fly from CNG to GTF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CNG–GTF that never appear on search engines, with no booking fees.