Air Miles Calculator

Distance between Chicago, IL (ORD) and Grand Forks, ND (GFK)

Distance from Chicago to Grand Forks (Grand Forks International Airport – O'Hare International Airport) is 613 miles / 986 kilometers / 533 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 612.863 miles
  • 986.307 kilometers
  • 532.563 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
  • 612.089 miles
  • 985.061 kilometers
  • 531.891 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 O'Hare International Airport (ORD) to Grand Forks International Airport (GFK) is 1 hour 39 minutes.

Time difference and current local times

There is no time difference between Chicago and Grand Forks.

Time Difference

Chicago
Grand Forks

Chicago, IL

 CDT

Grand Forks, ND

 CDT

Airport information


A 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

B Grand Forks International Airport
City: Grand Forks, ND
Country: United States Flag of United States
IATA Code: GFK
ICAO Code: KGFK
Coordinates: 47°56′57″N, 97°10′33″W

Map

Chicago to Grand Forks flight map.

Frequent Flyer Miles Calculator

Chicago (ORD) → Grand Forks (GFK).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
613
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
613

Round trip?