Air Miles Calculator

Distance between Honolulu, HI (HNL) and Fort Hood, TX (GRK)

Flight distance from Honolulu to Fort Hood (Honolulu Daniel K. Inouye International Airport – Killeen–Fort Hood Regional Airport) is 3748 miles / 6032 kilometers / 3257 nautical miles. Estimated flight time is 7 hours 35 minutes.

Map of flight path from Honolulu to Fort Hood.

Shortest flight path between Honolulu Daniel K. Inouye International Airport (HNL) and Killeen–Fort Hood Regional Airport (GRK).

How far is Fort Hood from Honolulu?

There are several ways to calculate distances between Honolulu and Fort Hood. Here are two common methods:

Vincenty's formula (applied above)
  • 3748.369 miles
  • 6032.415 kilometers
  • 3257.244 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
  • 3742.401 miles
  • 6022.811 kilometers
  • 3252.058 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).

Airport information


A Honolulu Daniel K. Inouye International Airport
City: Honolulu, HI
Country: United States Flag of United States
IATA Code: HNL
ICAO Code: PHNL
Coordinates: 21°19′7″N, 157°55′19″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

Time difference and current local times

The time difference between Honolulu and Fort Hood is 4 hours. Fort Hood is 4 hours ahead of Honolulu.

Time Difference

Honolulu, HI

 HST

Fort Hood, TX

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 425 kg (937 pounds).

Frequent Flyer Miles Calculator

Honolulu (HNL) → Fort Hood (GRK).

Distance:
3748
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
3748

Round trip?