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BTM to CNG: distance & flight time
Butte (Bert Mooney Airport) → Cognac (Cognac-Châteaubernard (BA 709) Air Base)
4,884 mi
7,861 km · 4,244 nm
10h 3m
estimated nonstop flight time
+8h
time difference · heading northeast
See live BTM→CNG fares Phone-only fares on this route — call free
Flight time details
4,884 miles nonstop takes roughly 10h 3m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- BTM — Bert Mooney Airport · Butte, 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 BTM
- HLN · Helena Regional Airport51 mi away
- BZN · Gallatin Field66 mi away
- SMN · Lemhi County Airport88 mi away
- LVM · Mission Field100 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 BTM from CNG?
The flight distance from Butte (BTM) to Cognac (CNG) is 4,884 miles (7,861 km, 4,244 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BTM to CNG?
A nonstop flight takes about 10h 3m 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 Butte and Cognac?
Cognac is 8 hours ahead of Butte.
What is the cheapest way to fly from BTM to CNG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BTM–CNG that never appear on search engines, with no booking fees.