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BTM to OIM: distance & flight time
Butte (Bert Mooney Airport) → Oshima (Oshima Airport)
5,291 mi
8,514 km · 4,597 nm
10h 50m
estimated nonstop flight time
+15h
time difference · heading northwest
See live BTM→OIM fares Phone-only fares on this route — call free
Flight time details
5,291 miles nonstop takes roughly 10h 50m 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
- OIM — Oshima Airport · Oshima, 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 OIM
- HND · Tokyo Haneda International Airport58 mi away
- NJA · Atsugi Naval Air Facility47 mi away
- NRT · Narita International Airport89 mi away
- MYE · Miyakejima Airport50 mi away
Frequently asked questions
How far is BTM from OIM?
The flight distance from Butte (BTM) to Oshima (OIM) is 5,291 miles (8,514 km, 4,597 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BTM to OIM?
A nonstop flight takes about 10h 50m 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 Oshima?
Oshima is 15 hours ahead of Butte.
What is the cheapest way to fly from BTM to OIM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BTM–OIM that never appear on search engines, with no booking fees.