Map of flight path and driving directions from Chicago to Harrisburg.
Shortest flight path between Chicago O'Hare International Airport (ORD) and Harrisburg International Airport (MDT).
How far is Harrisburg from Chicago?
There are several ways to calculate distances between Chicago and Harrisburg. 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 Chicago and Harrisburg is 1 hour. Harrisburg is 1 hour ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 112 kg (247 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Harrisburg (MDT).