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TNN to BTM: distance & flight time
Tainan (Tainan Airport) → Butte (Bert Mooney Airport)
6,645 mi
10,695 km · 5,775 nm
13h 30m
estimated nonstop flight time
-14h
time difference · heading northeast
See live TNN→BTM fares Phone-only fares on this route — call free
Flight time details
6,645 miles nonstop takes roughly 13h 30m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- TNN — Tainan Airport · Tainan, Taiwan
- 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 TNN
- PIF · Pingtung North Airport25 mi away
- KHH · Kaohsiung International Airport27 mi away
- CYI · Chiayi Airport37 mi away
- WOT · Wang-an Airport53 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 TNN from BTM?
The flight distance from Tainan (TNN) to Butte (BTM) is 6,645 miles (10,695 km, 5,775 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TNN to BTM?
A nonstop flight takes about 13h 30m 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 Tainan and Butte?
Butte is 14 hours behind Tainan.
What is the cheapest way to fly from TNN to BTM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TNN–BTM that never appear on search engines, with no booking fees.