# 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
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
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 5 hours. Fort Hood is 5 hours ahead of Honolulu.

HST

CDT

## 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?