How far is Helena, MT, from Kolkata?
The distance between Kolkata (Netaji Subhas Chandra Bose International Airport) and Helena (Helena Regional Airport) is 7496 miles / 12064 kilometers / 6514 nautical miles.
Netaji Subhas Chandra Bose International Airport – Helena Regional Airport
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Distance from Kolkata to Helena
There are several ways to calculate the distance from Kolkata to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 7496.498 miles
- 12064.444 kilometers
- 6514.278 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- 7483.790 miles
- 12043.993 kilometers
- 6503.236 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 Kolkata to Helena?
The estimated flight time from Netaji Subhas Chandra Bose International Airport to Helena Regional Airport is 14 hours and 41 minutes.
What is the time difference between Kolkata and Helena?
Flight carbon footprint between Netaji Subhas Chandra Bose International Airport (CCU) and Helena Regional Airport (HLN)
On average, flying from Kolkata to Helena generates about 925 kg of CO2 per passenger, and 925 kilograms equals 2 040 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Kolkata to Helena
See the map of the shortest flight path between Netaji Subhas Chandra Bose International Airport (CCU) and Helena Regional Airport (HLN).
Airport information
| Origin | Netaji Subhas Chandra Bose International Airport |
|---|---|
| City: | Kolkata |
| Country: | India  |
| IATA Code: | CCU |
| ICAO Code: | VECC |
| Coordinates: | 22°39′16″N, 88°26′48″E |
| 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 |