How far is Helena, MT, from Broomfield, CO?
The distance between Broomfield (Rocky Mountain Metropolitan Airport) and Helena (Helena Regional Airport) is 577 miles / 929 kilometers / 502 nautical miles.
The driving distance from Broomfield (BJC) to Helena (HLN) is 786 miles / 1265 kilometers, and travel time by car is about 13 hours 31 minutes.
Rocky Mountain Metropolitan Airport – Helena Regional Airport
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Distance from Broomfield to Helena
There are several ways to calculate the distance from Broomfield to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 577.269 miles
- 929.024 kilometers
- 501.633 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 577.038 miles
- 928.652 kilometers
- 501.432 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
How long does it take to fly from Broomfield to Helena?
The estimated flight time from Rocky Mountain Metropolitan Airport to Helena Regional Airport is 1 hour and 35 minutes.
What is the time difference between Broomfield and Helena?
Flight carbon footprint between Rocky Mountain Metropolitan Airport (BJC) and Helena Regional Airport (HLN)
On average, flying from Broomfield to Helena generates about 110 kg of CO2 per passenger, and 110 kilograms equals 242 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Broomfield to Helena
See the map of the shortest flight path between Rocky Mountain Metropolitan Airport (BJC) and Helena Regional Airport (HLN).
Airport information
| Origin | Rocky Mountain Metropolitan Airport |
|---|---|
| City: | Broomfield, CO |
| Country: | United States  |
| IATA Code: | BJC |
| ICAO Code: | KBJC |
| Coordinates: | 39°54′31″N, 105°7′1″W |
| Destination | Helena Regional Airport |
|---|---|
| City: | Helena, MT |
| Country: | United States |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |