How far is Helena, MT, from Philadelphia, PA?
The distance between Philadelphia (Philadelphia International Airport) and Helena (Helena Regional Airport) is 1893 miles / 3047 kilometers / 1645 nautical miles.
The driving distance from Philadelphia (PHL) to Helena (HLN) is 2226 miles / 3582 kilometers, and travel time by car is about 40 hours 21 minutes.
Philadelphia International Airport – Helena Regional Airport
Search flights
Distance from Philadelphia to Helena
There are several ways to calculate the distance from Philadelphia to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 1893.202 miles
- 3046.813 kilometers
- 1645.148 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- 1888.529 miles
- 3039.292 kilometers
- 1641.086 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 Philadelphia to Helena?
The estimated flight time from Philadelphia International Airport to Helena Regional Airport is 4 hours and 5 minutes.
What is the time difference between Philadelphia and Helena?
Flight carbon footprint between Philadelphia International Airport (PHL) and Helena Regional Airport (HLN)
On average, flying from Philadelphia to Helena generates about 208 kg of CO2 per passenger, and 208 kilograms equals 458 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Philadelphia to Helena
See the map of the shortest flight path between Philadelphia International Airport (PHL) and Helena Regional Airport (HLN).
Airport information
| Origin | Philadelphia International Airport |
|---|---|
| City: | Philadelphia, PA |
| Country: | United States  |
| IATA Code: | PHL |
| ICAO Code: | KPHL |
| Coordinates: | 39°52′18″N, 75°14′27″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 |