How far is Altoona, PA, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Altoona (Altoona–Blair County Airport) is 1734 miles / 2790 kilometers / 1507 nautical miles.
The driving distance from Helena (HLN) to Altoona (AOO) is 2023 miles / 3256 kilometers, and travel time by car is about 36 hours 50 minutes.
Helena Regional Airport – Altoona–Blair County Airport
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Distance from Helena to Altoona
There are several ways to calculate the distance from Helena to Altoona. Here are two standard methods:
Vincenty's formula (applied above)- 1733.797 miles
- 2790.275 kilometers
- 1506.628 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- 1729.509 miles
- 2783.375 kilometers
- 1502.902 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 Altoona?
The estimated flight time from Helena Regional Airport to Altoona–Blair County Airport is 3 hours and 46 minutes.
What is the time difference between Helena and Altoona?
The time difference between Helena and Altoona is 2 hours. Altoona is 2 hours ahead of Helena.
Flight carbon footprint between Helena Regional Airport (HLN) and Altoona–Blair County Airport (AOO)
On average, flying from Helena to Altoona generates about 195 kg of CO2 per passenger, and 195 kilograms equals 430 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 Altoona
See the map of the shortest flight path between Helena Regional Airport (HLN) and Altoona–Blair County Airport (AOO).
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 | Altoona–Blair County Airport |
|---|---|
| City: | Altoona, PA |
| Country: | United States |
| IATA Code: | AOO |
| ICAO Code: | KAOO |
| Coordinates: | 40°17′47″N, 78°19′11″W |