How far is Allentown from Chicago?
There are several ways to calculate distances between Chicago and Allentown. 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 Chicago O'Hare International Airport (ORD) to Lehigh Valley International Airport (ABE) is 1 hour 44 minutes.
Time difference and current local times
The time difference between Chicago and Allentown is 1 hour. Allentown is 1 hour ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 119 kg (263 pounds).
Chicago to Allentown flight path
Shortest flight path between Chicago O'Hare International Airport (ORD) and Lehigh Valley International Airport (ABE).
Frequent Flyer Miles Calculator
Chicago (ORD) → Allentown (ABE).