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BTM to RCO: distance & flight time
Butte (Bert Mooney Airport) → Rochefort (Rochefort-Saint-Agnant (BA 721) Airport)
4,851 mi
7,807 km · 4,215 nm
9h 59m
estimated nonstop flight time
+8h
time difference · heading northeast
See live BTM→RCO fares Phone-only fares on this route — call free
Flight time details
4,851 miles nonstop takes roughly 9h 59m 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
- RCO — Rochefort-Saint-Agnant (BA 721) Airport · Rochefort, 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 RCO
- RYN · Royan-Médis Airport18 mi away
- LRH · La Rochelle-Île de Ré Airport23 mi away
- CNG · Cognac-Châteaubernard (BA 709) Air Base36 mi away
- NIT · Niort-Souché Airport41 mi away
Frequently asked questions
How far is BTM from RCO?
The flight distance from Butte (BTM) to Rochefort (RCO) is 4,851 miles (7,807 km, 4,215 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BTM to RCO?
A nonstop flight takes about 9h 59m 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 Rochefort?
Rochefort is 8 hours ahead of Butte.
What is the cheapest way to fly from BTM to RCO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BTM–RCO that never appear on search engines, with no booking fees.