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OTP to BTM: distance & flight time
Bucharest (Henri Coandă International Airport) → Butte (Bert Mooney Airport)
5,690 mi
9,157 km · 4,945 nm
11h 37m
estimated nonstop flight time
-9h
time difference · heading northwest
See live OTP→BTM fares Phone-only fares on this route — call free
Flight time details
5,690 miles nonstop takes roughly 11h 37m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time set-back when reading arrival times on your ticket.
The two airports
- OTP — Henri Coandă International Airport · Bucharest, Romania
- BTM — Bert Mooney Airport · Butte, 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 OTP
- BBU · Băneasa International Airport5 mi away
- GOZ · Gorna Oryahovitsa Airport100 mi away
- CRA · Craiova Airport110 mi away
- CND · Mihail Kogălniceanu International Airport119 mi away
Near BTM
- HLN · Helena Regional Airport51 mi away
- BZN · Gallatin Field66 mi away
- SMN · Lemhi County Airport88 mi away
- LVM · Mission Field100 mi away
Frequently asked questions
How far is OTP from BTM?
The flight distance from Bucharest (OTP) to Butte (BTM) is 5,690 miles (9,157 km, 4,945 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OTP to BTM?
A nonstop flight takes about 11h 37m 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 Bucharest and Butte?
Butte is 9 hours behind Bucharest.
What is the cheapest way to fly from OTP to BTM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OTP–BTM that never appear on search engines, with no booking fees.