Air Miles Calculator

Distance between Chicago, IL (ORD) and Gillette, WY (GCC)

Distance from Chicago to Gillette (Gillette–Campbell County Airport – O'Hare International Airport) is 904 miles / 1455 kilometers / 786 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 904.143 miles
  • 1455.078 kilometers
  • 785.679 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
  • 901.824 miles
  • 1451.344 kilometers
  • 783.663 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 Gillette–Campbell County Airport (GCC) is 2 hours 12 minutes.

Time difference and current local times

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

Time Difference

Chicago
Gillette

Chicago, IL

 CDT

Gillette, WY

 MDT

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 Gillette–Campbell County Airport
City: Gillette, WY
Country: United States Flag of United States
IATA Code: GCC
ICAO Code: KGCC
Coordinates: 44°20′56″N, 105°32′20″W

Map

Chicago to Gillette flight map.

Frequent Flyer Miles Calculator

Chicago (ORD) → Gillette (GCC).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
904
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
904

Round trip?