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BTM to NGS: distance & flight time
Butte (Bert Mooney Airport) → Nagasaki (Nagasaki Airport)
5,741 mi
9,239 km · 4,989 nm
11h 43m
estimated nonstop flight time
+15h
time difference · heading northwest
See live BTM→NGS fares Phone-only fares on this route — call free
Flight time details
5,741 miles nonstop takes roughly 11h 43m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- BTM — Bert Mooney Airport · Butte, United States
- NGS — Nagasaki Airport · Nagasaki, Japan
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 NGS
- HSG · Saga Airport28 mi away
- AXJ · Amakusa Airport33 mi away
- KMJ · Kumamoto Airport55 mi away
- FUK · Fukuoka Airport56 mi away
Frequently asked questions
How far is BTM from NGS?
The flight distance from Butte (BTM) to Nagasaki (NGS) is 5,741 miles (9,239 km, 4,989 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BTM to NGS?
A nonstop flight takes about 11h 43m 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 Nagasaki?
Nagasaki is 15 hours ahead of Butte.
What is the cheapest way to fly from BTM to NGS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BTM–NGS that never appear on search engines, with no booking fees.