How far is Fort Hood from Chicago?
There are several ways to calculate distances between Chicago and Fort Hood. Here are two common methods:Vincenty's formula (applied above)
- 931.878 miles
- 1499.712 kilometers
- 809.780 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
- 932.368 miles
- 1500.500 kilometers
- 810.205 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).
Estimated flight time from O'Hare International Airport (ORD) to Killeen–Fort Hood Regional Airport (GRK) is 2 hours 15 minutes.
Time difference and current local times
There is no time difference between Chicago and Fort Hood.
Fort Hood, TX
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 146 kg (322 pounds).
Chicago to Fort Hood flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Fort Hood (GRK).