How far is Helena, MT, from Nantucket, MA?
The distance between Nantucket (Nantucket Memorial Airport) and Helena (Helena Regional Airport) is 2099 miles / 3377 kilometers / 1824 nautical miles.
The driving distance from Nantucket (ACK) to Helena (HLN) is 2449 miles / 3942 kilometers, and travel time by car is about 47 hours 57 minutes.
Nantucket Memorial Airport – Helena Regional Airport
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Distance from Nantucket to Helena
There are several ways to calculate the distance from Nantucket to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 2098.675 miles
- 3377.490 kilometers
- 1823.699 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- 2093.184 miles
- 3368.652 kilometers
- 1818.927 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 Nantucket to Helena?
The estimated flight time from Nantucket Memorial Airport to Helena Regional Airport is 4 hours and 28 minutes.
What is the time difference between Nantucket and Helena?
The time difference between Nantucket and Helena is 2 hours. Helena is 2 hours behind Nantucket.
Flight carbon footprint between Nantucket Memorial Airport (ACK) and Helena Regional Airport (HLN)
On average, flying from Nantucket to Helena generates about 229 kg of CO2 per passenger, and 229 kilograms equals 504 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Nantucket to Helena
See the map of the shortest flight path between Nantucket Memorial Airport (ACK) and Helena Regional Airport (HLN).
Airport information
| Origin | Nantucket Memorial Airport |
|---|---|
| City: | Nantucket, MA |
| Country: | United States  |
| IATA Code: | ACK |
| ICAO Code: | KACK |
| Coordinates: | 41°15′11″N, 70°3′36″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 |