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RAP to BTM: distance & flight time
Rapid City (Rapid City Regional Airport) → Butte (Bert Mooney Airport)
479 mi
771 km · 417 nm
1h 31m
estimated nonstop flight time
Same time
time difference · heading west
See live RAP→BTM fares Phone-only fares on this route — call free
Flight time details
479 miles nonstop takes roughly 1h 31m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- RAP — Rapid City Regional Airport · Rapid City, United States
- 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 RAP
- RCA · Ellsworth Air Force Base7 mi away
- SPF · Black Hills Airport-Clyde Ice Field47 mi away
- CDR · Chadron Municipal Airport83 mi away
- GCC · Gillette Campbell County Airport125 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 RAP from BTM?
The flight distance from Rapid City (RAP) to Butte (BTM) is 479 miles (771 km, 417 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RAP to BTM?
A nonstop flight takes about 1h 31m 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 cheapest way to fly from RAP to BTM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RAP–BTM that never appear on search engines, with no booking fees.