Air Miles Calculator

Distance between Harrisburg, PA (MDT) and Chicago, IL (ORD)

Distance from Harrisburg International Airport to O'Hare International Airport is 594 miles / 956 kilometers / 516 nautical miles.

Calculations with different 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).

Flight duration

Estimated flight time from Harrisburg International Airport (MDT) to O'Hare International Airport (ORD) is 1 hour 37 minutes.

Time difference and current local times

The time difference between Harrisburg and Chicago is 1 hour. Chicago is 1 hour behind Harrisburg.

Time Difference

Harrisburg
Chicago

Harrisburg, PA

 EST

Chicago, IL

 CST

Airport information


A Harrisburg International Airport
City: Harrisburg, PA
Country: United States Flag of United States
IATA Code: MDT
ICAO Code: KMDT
Coordinates: 40°11′36″N, 76°45′48″W

B O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W

Map

Flight map from Harrisburg to Chicago.

Frequent Flyer Miles Calculator

Harrisburg (MDT) → Chicago (ORD).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
594
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
594

Round trip?