Air Miles Calculator

Distance between Seattle, WA (BFI) and Fort Hood, TX (GRK)

Flight distance from Seattle to Fort Hood (Seattle Boeing Field – Killeen–Fort Hood Regional Airport) is 1722 miles / 2771 kilometers / 1496 nautical miles. Estimated flight time is 3 hours 45 minutes.

Driving distance from Seattle (BFI) to Fort Hood (GRK) is 2083 miles / 3352 kilometers and travel time by car is about 36 hours 43 minutes.

Map of flight path and driving directions from Seattle to Fort Hood.

Shortest flight path between Seattle Boeing Field (BFI) and Killeen–Fort Hood Regional Airport (GRK).

How far is Fort Hood from Seattle?

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

Vincenty's formula (applied above)
  • 1721.655 miles
  • 2770.736 kilometers
  • 1496.078 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
  • 1720.443 miles
  • 2768.785 kilometers
  • 1495.024 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 Seattle Boeing Field
City: Seattle, WA
Country: United States Flag of United States
IATA Code: BFI
ICAO Code: KBFI
Coordinates: 47°31′47″N, 122°18′7″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 Seattle and Fort Hood is 2 hours. Fort Hood is 2 hours ahead of Seattle.

Time Difference

Seattle, WA

 PST

Fort Hood, TX

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 194 kg (428 pounds).

Frequent Flyer Miles Calculator

Seattle (BFI) → Fort Hood (GRK).

Distance:
1722
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1722

Round trip?