Need help booking?
Unpublished phone-only deals available
NJA to BTM: distance & flight time
Atsugi (Atsugi Naval Air Facility) → Butte (Bert Mooney Airport)
5,253 mi
8,454 km · 4,565 nm
10h 46m
estimated nonstop flight time
-15h
time difference · heading northeast
See live NJA→BTM fares Phone-only fares on this route — call free
Flight time details
5,253 miles nonstop takes roughly 10h 46m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time set-back when reading arrival times on your ticket.
The two airports
- NJA — Atsugi Naval Air Facility · Atsugi, Japan
- 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 NJA
- HND · Tokyo Haneda International Airport20 mi away
- NRT · Narita International Airport57 mi away
- OKO · Yokota Air Base21 mi away
- OIM · Oshima Airport47 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 NJA from BTM?
The flight distance from Atsugi (NJA) to Butte (BTM) is 5,253 miles (8,454 km, 4,565 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NJA to BTM?
A nonstop flight takes about 10h 46m 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 Atsugi and Butte?
Butte is 15 hours behind Atsugi.
What is the cheapest way to fly from NJA to BTM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NJA–BTM that never appear on search engines, with no booking fees.