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BTM to RCA: distance & flight time
Butte (Bert Mooney Airport) → Rapid City (Ellsworth Air Force Base)
475 mi
764 km · 413 nm
1h 30m
estimated nonstop flight time
Same time
time difference · heading east
See live BTM→RCA fares Phone-only fares on this route — call free
Flight time details
475 miles nonstop takes roughly 1h 30m gate to gate, flying east. 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
- BTM — Bert Mooney Airport · Butte, United States
- RCA — Ellsworth Air Force Base · Rapid City, 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 BTM
- HLN · Helena Regional Airport51 mi away
- BZN · Gallatin Field66 mi away
- SMN · Lemhi County Airport88 mi away
- LVM · Mission Field100 mi away
Near RCA
- RAP · Rapid City Regional Airport7 mi away
- SPF · Black Hills Airport-Clyde Ice Field41 mi away
- CDR · Chadron Municipal Airport90 mi away
- GCC · Gillette Campbell County Airport121 mi away
Frequently asked questions
How far is BTM from RCA?
The flight distance from Butte (BTM) to Rapid City (RCA) is 475 miles (764 km, 413 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BTM to RCA?
A nonstop flight takes about 1h 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 cheapest way to fly from BTM to RCA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BTM–RCA that never appear on search engines, with no booking fees.