Air Miles Calculator

Distance between Ontario, CA (ONT) and Fort Hood, TX (GRK)

Distance from Ontario to Fort Hood (Killeen–Fort Hood Regional Airport – Ontario International Airport) is 1170 miles / 1883 kilometers / 1017 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 1170.097 miles
  • 1883.088 kilometers
  • 1016.786 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
  • 1167.829 miles
  • 1879.439 kilometers
  • 1014.816 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 Ontario International Airport (ONT) to Killeen–Fort Hood Regional Airport (GRK) is 2 hours 42 minutes.

Time difference and current local times

The time difference between Ontario and Fort Hood is 2 hours. Fort Hood is 2 hours ahead of Ontario.

Time Difference

Ontario
Fort Hood

Ontario, CA

 PDT

Fort Hood, TX

 CDT

Airport information


A Ontario International Airport
City: Ontario, CA
Country: United States Flag of United States
IATA Code: ONT
ICAO Code: KONT
Coordinates: 34°3′21″N, 117°36′3″W

B Killeen–Fort Hood Regional Airport
City: Fort Hood, TX
Country: United States Flag of United States
IATA Code: GRK
ICAO Code: KGRK
Coordinates: 31°4′1″N, 97°49′44″W

Map

Ontario to Fort Hood flight map.

Frequent Flyer Miles Calculator

Ontario (ONT) → Fort Hood (GRK).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1170
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1170

Round trip?