How far is Helena, MT, from Carlsbad, NM?
The distance between Carlsbad (Cavern City Air Terminal) and Helena (Helena Regional Airport) is 1066 miles / 1716 kilometers / 926 nautical miles.
The driving distance from Carlsbad (CNM) to Helena (HLN) is 1378 miles / 2218 kilometers, and travel time by car is about 24 hours 50 minutes.
Cavern City Air Terminal – Helena Regional Airport
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Distance from Carlsbad to Helena
There are several ways to calculate the distance from Carlsbad to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 1066.141 miles
- 1715.787 kilometers
- 926.451 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- 1067.142 miles
- 1717.399 kilometers
- 927.321 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 Carlsbad to Helena?
The estimated flight time from Cavern City Air Terminal to Helena Regional Airport is 2 hours and 31 minutes.
What is the time difference between Carlsbad and Helena?
Flight carbon footprint between Cavern City Air Terminal (CNM) and Helena Regional Airport (HLN)
On average, flying from Carlsbad to Helena generates about 155 kg of CO2 per passenger, and 155 kilograms equals 341 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Carlsbad to Helena
See the map of the shortest flight path between Cavern City Air Terminal (CNM) and Helena Regional Airport (HLN).
Airport information
| Origin | Cavern City Air Terminal |
|---|---|
| City: | Carlsbad, NM |
| Country: | United States  |
| IATA Code: | CNM |
| ICAO Code: | KCNM |
| Coordinates: | 32°20′15″N, 104°15′46″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 |