How far is Allentown, PA, from Harrisburg, PA?

The distance between Harrisburg (Harrisburg International Airport) and Allentown (Lehigh Valley International Airport) is 77 miles / 123 kilometers / 67 nautical miles.

The driving distance from Harrisburg (MDT) to Allentown (ABE) is 93 miles / 150 kilometers, and travel time by car is about 2 hours 5 minutes.

Distance from Harrisburg to Allentown

There are several ways to calculate the distance from Harrisburg to Allentown. Here are two standard methods:

Vincenty's formula (applied above)

• 76.585 miles
• 123.252 kilometers
• 66.551 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

• 76.443 miles
• 123.023 kilometers
• 66.427 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 Harrisburg to Allentown?

The estimated flight time from Harrisburg International Airport to Lehigh Valley International Airport is 38 minutes.

What is the time difference between Harrisburg and Allentown?

There is no time difference between Harrisburg and Allentown.

Flight carbon footprint between Harrisburg International Airport (MDT) and Lehigh Valley International Airport (ABE)

On average, flying from Harrisburg to Allentown generates about 36 kg of CO2 per passenger, and 36 kilograms equals 80 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Harrisburg to Allentown

See the map of the shortest flight path between Harrisburg International Airport (MDT) and Lehigh Valley International Airport (ABE).

Airport information

Origin	Harrisburg International Airport
City:	Harrisburg, PA
Country:	United States
IATA Code:	MDT
ICAO Code:	KMDT
Coordinates:	40°11′36″N, 76°45′48″W

Destination	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