How far is Chicago from Allentown?
There are several ways to calculate distances between Allentown and Chicago. Here are two common methods:Vincenty's formula (applied above)
- 654.320 miles
- 1053.026 kilometers
- 568.589 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 652.683 miles
- 1050.392 kilometers
- 567.166 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).
Estimated flight time from Lehigh Valley International Airport (ABE) to O'Hare International Airport (ORD) is 1 hour 44 minutes.
Time difference and current local times
The time difference between Allentown and Chicago is 1 hour. Chicago is 1 hour behind Allentown.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 119 kg (263 pounds).
Allentown to Chicago flight map.
Frequent Flyer Miles Calculator
Allentown (ABE) → Chicago (ORD).