How far is Rockford, IL, from Allentown, PA?
The distance between Allentown (Lehigh Valley International Airport) and Rockford (Chicago Rockford International Airport) is 717 miles / 1153 kilometers / 623 nautical miles.
The driving distance from Allentown (ABE) to Rockford (RFD) is 818 miles / 1317 kilometers, and travel time by car is about 15 hours 11 minutes.
Lehigh Valley International Airport – Chicago Rockford International Airport
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Distance from Allentown to Rockford
There are several ways to calculate the distance from Allentown to Rockford. Here are two standard methods:
Vincenty's formula (applied above)- 716.504 miles
- 1153.102 kilometers
- 622.625 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- 714.714 miles
- 1150.221 kilometers
- 621.069 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 Rockford?
The estimated flight time from Lehigh Valley International Airport to Chicago Rockford International Airport is 1 hour and 51 minutes.
What is the time difference between Allentown and Rockford?
The time difference between Allentown and Rockford is 1 hour. Rockford is 1 hour behind Allentown.
Flight carbon footprint between Lehigh Valley International Airport (ABE) and Chicago Rockford International Airport (RFD)
On average, flying from Allentown to Rockford generates about 126 kg of CO2 per passenger, and 126 kilograms equals 279 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 Rockford
See the map of the shortest flight path between Lehigh Valley International Airport (ABE) and Chicago Rockford International Airport (RFD).
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 | Chicago Rockford International Airport |
|---|---|
| City: | Rockford, IL |
| Country: | United States |
| IATA Code: | RFD |
| ICAO Code: | KRFD |
| Coordinates: | 42°11′43″N, 89°5′49″W |