Distance from Harrisburg, PA to Allentown, PA is 81Miles or 131 Km. You can get this distance about 1 hour 21 mins. If you want to planning travel with plane for 78 Miles or 125 Km, You can get this distance about 39 mins .
A car with an average MPG will needs 3.75 gallons of gas to get the route between these points.
The estimated cost of gas to get between Harrisburg, PA and Allentown, PA is $8.51.
During the route, an average car will release 73.47 pounds of CO2 to the atmosphere. Your carbon footprint is 0.91 pounds of CO2 per mile.
* Average US MPG used for calculations is 21.6 MPG.
* Average US gas price used for calculation is 2.27 per gallon.