Map of flight path and driving directions from Harrisburg to Chicago.
Shortest flight path between Harrisburg International Airport (MDT) and Chicago O'Hare International Airport (ORD).
How far is Chicago from Harrisburg?
There are several ways to calculate distances between Harrisburg and Chicago. Here are two common methods:Vincenty's formula (applied above)
- 594.141 miles
- 956.178 kilometers
- 516.295 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
- 592.717 miles
- 953.885 kilometers
- 515.057 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).
Time difference and current local times
The time difference between Harrisburg and Chicago is 1 hour. Chicago is 1 hour behind Harrisburg.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 112 kg (247 pounds).
Frequent Flyer Miles Calculator
Harrisburg (MDT) → Chicago (ORD).