Air Miles Calculator

Distance between Fort Hood, TX (GRK) and Muscle Shoals, AL (MSL)

Flight distance from Fort Hood to Muscle Shoals (Killeen–Fort Hood Regional Airport – Northwest Alabama Regional Airport) is 645 miles / 1039 kilometers / 561 nautical miles. Estimated flight time is 1 hour 43 minutes.

Driving distance from Fort Hood (GRK) to Muscle Shoals (MSL) is 769 miles / 1237 kilometers and travel time by car is about 13 hours 23 minutes.

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

Shortest flight path between Killeen–Fort Hood Regional Airport (GRK) and Northwest Alabama Regional Airport (MSL).

How far is Muscle Shoals from Fort Hood?

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

Vincenty's formula (applied above)
  • 645.408 miles
  • 1038.684 kilometers
  • 560.844 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
  • 644.522 miles
  • 1037.258 kilometers
  • 560.075 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 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

B Northwest Alabama Regional Airport
City: Muscle Shoals, AL
Country: United States Flag of United States
IATA Code: MSL
ICAO Code: KMSL
Coordinates: 34°44′43″N, 87°36′36″W

Time difference and current local times

There is no time difference between Fort Hood and Muscle Shoals.

Time Difference

Fort Hood, TX

 CST

Muscle Shoals, AL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 118 kg (261 pounds).

Frequent Flyer Miles Calculator

Fort Hood (GRK) → Muscle Shoals (MSL).

Distance:
645
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
645

Round trip?