How far is Broomfield, CO, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Broomfield (Rocky Mountain Metropolitan Airport) is 577 miles / 929 kilometers / 502 nautical miles.
The driving distance from Helena (HLN) to Broomfield (BJC) is 786 miles / 1265 kilometers, and travel time by car is about 13 hours 36 minutes.
Helena Regional Airport – Rocky Mountain Metropolitan Airport
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Distance from Helena to Broomfield
There are several ways to calculate the distance from Helena to Broomfield. 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 Helena to Broomfield?
The estimated flight time from Helena Regional Airport to Rocky Mountain Metropolitan Airport is 1 hour and 35 minutes.
What is the time difference between Helena and Broomfield?
Flight carbon footprint between Helena Regional Airport (HLN) and Rocky Mountain Metropolitan Airport (BJC)
On average, flying from Helena to Broomfield 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 Helena to Broomfield
See the map of the shortest flight path between Helena Regional Airport (HLN) and Rocky Mountain Metropolitan Airport (BJC).
Airport information
| Origin | Helena Regional Airport |
|---|---|
| City: | Helena, MT |
| Country: | United States  |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |
| Destination | 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 |