How far is Derry, PA from Allentown, PA?
Distance by Flight
Shortest distance between Derry and Allentown is 201.12 miles (323.67 km).
Flight distance from Derry, PA to Allentown, PA is 201.12 miles. Estimated flight time is 00 hours 28 minutes.
It takes 00 hours 26 minutes to travel from Derry to Allentown with an airplane (average speed of 550 miles).
Driving distance
The driving distance from Derry, Pennsylvania to Allentown, Pennsylvania is: 238.69 miles (384.13 km) by car.
Driving from Derry to Allentown will take approximately 04 hours 17 minutes.
#1 Derry
| Population | |
|---|---|
| GPS Coordinates | 40°20'2"N 79°17'59"W |
| Latitude | 40.3339600 |
| Longitude | -79.2997600 |
| Altitude | 360 |
| Country | United States |
#2 Allentown
The third most populous city in Pennsylvania. It is located on the Lehigh River in eastern Pennsylvania. Allentown is known for its many manufacturing companies, its many parks and green spaces, and its many attractions, such as the Allentown Art Museum and the Allentown Children's Museum.
| Population | 121470 |
|---|---|
| GPS Coordinates | 40°36'30"N 75°29'25"W |
| Latitude | 40.6084300 |
| Longitude | -75.4901800 |
| Altitude | 103 |
| Country | United States |
Ending point in Allentown: Tilghman Street (-75.490007,40.608068)
Estimated Travel Time Between Derry and Allentown
The distance between Derry and Allentown is 384 km if you choose to drive by road. You can go 04 hours 16 minutes if you drive your car at an average speed of 90 kilometers / hour. For different choices, please review the avg. speed travel time table on the below.
There is no time difference between Derry and Allentown. The current time is 15:36:42.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 07 hours 57 minutes |
| 40 mph (64.37 km/h) | 05 hours 58 minutes |
| 50 mph (80.47 km/h) | 04 hours 46 minutes |
| 60 mph (96.56 km/h) | 03 hours 58 minutes |
| 70 mph (112.65 km/h) | 03 hours 24 minutes |
| 75 mph (120.7 km/h) | 03 hours 10 minutes |
| 80 mph (128.75 km/h) | 02 hours 58 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 31.88 liters (8.42 gallon) of gas to cover the route between Derry and Allentown.
The estimated cost of gas to go from Derry to Allentown is $31.31 (diesel $40.15).
Pennsylvania gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.72 | $4.12 | $4.44 | $4.77 |
| Total | $31.31 | $34.73 | $37.41 | $40.15 |
Take a look at our Gas Cost Calculator feature. It will figure out how much it will cost to drive this particular distance.
The average gas price (in Pennsylvania ) per gallon of daily gas for calculations is $3.717 (Diesel $4.767) /gallon. Last changed prices on December 21, 2025.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Derry and Allentown (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.
