How far is Harrisburg, PA, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Harrisburg (Harrisburg International Airport) is 1811 miles / 2914 kilometers / 1574 nautical miles.
The driving distance from Helena (HLN) to Harrisburg (MDT) is 2133 miles / 3432 kilometers, and travel time by car is about 37 hours 57 minutes.
Helena Regional Airport – Harrisburg International Airport
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Distance from Helena to Harrisburg
There are several ways to calculate the distance from Helena to Harrisburg. Here are two standard methods:
Vincenty's formula (applied above)- 1810.958 miles
- 2914.454 kilometers
- 1573.679 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- 1806.464 miles
- 2907.222 kilometers
- 1569.774 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 Harrisburg?
The estimated flight time from Helena Regional Airport to Harrisburg International Airport is 3 hours and 55 minutes.
What is the time difference between Helena and Harrisburg?
The time difference between Helena and Harrisburg is 2 hours. Harrisburg is 2 hours ahead of Helena.
Flight carbon footprint between Helena Regional Airport (HLN) and Harrisburg International Airport (MDT)
On average, flying from Helena to Harrisburg generates about 201 kg of CO2 per passenger, and 201 kilograms equals 443 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 Harrisburg
See the map of the shortest flight path between Helena Regional Airport (HLN) and Harrisburg International Airport (MDT).
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 | Harrisburg International Airport |
|---|---|
| City: | Harrisburg, PA |
| Country: | United States |
| IATA Code: | MDT |
| ICAO Code: | KMDT |
| Coordinates: | 40°11′36″N, 76°45′48″W |