New calculation
Flight distance & time
Rapid City Regional Airport → Helena Regional Airport
RAPHLN
- Distance
- 753 km · 467 mi
- Flight time
- 01h 41m
- CO₂ per passenger
- 67 kg
This Rapid City Regional Airport → Helena Regional Airport route is 753 km (467 mi) end to end. The estimated flight time is 01h 41m, and a passenger's share of CO₂ works out at roughly 67 kg.
See the reverse route: Helena Regional Airport → Rapid City Regional Airport
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Your route
- FromRAPRapid City Regional AirportRapid City, South Dakota
- ToHLNHelena Regional AirportHelena, Montana
Flight map
Track your lifetime distance flown across every trip.
Route service
We don't have scheduled-service data for this route — it may be operated by non-commercial or charter flights only.
Common questions
Rapid City Regional Airport to Helena Regional Airport FAQ
How far is Rapid City Regional Airport from Helena Regional Airport?
Rapid City Regional Airport (RAP) and Helena Regional Airport (HLN) are 753 km (467 mi) apart, measured along the great-circle route.
How long is the flight from Rapid City Regional Airport to Helena Regional Airport?
A direct RAP–HLN flight covers the distance in about 01h 41m, though the exact time shifts with aircraft type and winds.
How much CO₂ does a flight from Rapid City Regional Airport to Helena Regional Airport produce?
A passenger's share of CO₂ on the RAP–HLN route is roughly 67 kg.
Flight distance and time are estimates for ideal conditions — actual figures vary with aircraft type, routing and weather.
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