How far is Great Falls, MT, from Allentown, PA?
The distance between Allentown (Lehigh Valley International Airport) and Great Falls (Great Falls International Airport) is 1832 miles / 2948 kilometers / 1592 nautical miles.
The driving distance from Allentown (ABE) to Great Falls (GTF) is 2118 miles / 3408 kilometers, and travel time by car is about 38 hours 51 minutes.
Lehigh Valley International Airport – Great Falls International Airport
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Distance from Allentown to Great Falls
There are several ways to calculate the distance from Allentown to Great Falls. Here are two standard methods:
Vincenty's formula (applied above)- 1831.891 miles
- 2948.143 kilometers
- 1591.870 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- 1827.308 miles
- 2940.767 kilometers
- 1587.887 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 Allentown to Great Falls?
The estimated flight time from Lehigh Valley International Airport to Great Falls International Airport is 3 hours and 58 minutes.
What is the time difference between Allentown and Great Falls?
Flight carbon footprint between Lehigh Valley International Airport (ABE) and Great Falls International Airport (GTF)
On average, flying from Allentown to Great Falls generates about 203 kg of CO2 per passenger, and 203 kilograms equals 447 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Allentown to Great Falls
See the map of the shortest flight path between Lehigh Valley International Airport (ABE) and Great Falls International Airport (GTF).
Airport information
| Origin | Lehigh Valley International Airport |
|---|---|
| City: | Allentown, PA |
| Country: | United States  |
| IATA Code: | ABE |
| ICAO Code: | KABE |
| Coordinates: | 40°39′7″N, 75°26′26″W |
| Destination | Great Falls International Airport |
|---|---|
| City: | Great Falls, MT |
| Country: | United States |
| IATA Code: | GTF |
| ICAO Code: | KGTF |
| Coordinates: | 47°28′55″N, 111°22′15″W |