How far is Waterloo, IA, from Fort Hood, TX?
The distance between Fort Hood (Killeen–Fort Hood Regional Airport) and Waterloo (Waterloo Regional Airport) is 847 miles / 1363 kilometers / 736 nautical miles.
The driving distance from Fort Hood (GRK) to Waterloo (ALO) is 1009 miles / 1624 kilometers, and travel time by car is about 18 hours 15 minutes.
Killeen–Fort Hood Regional Airport – Waterloo Regional Airport
Search flights
Distance from Fort Hood to Waterloo
There are several ways to calculate the distance from Fort Hood to Waterloo. Here are two standard methods:
Vincenty's formula (applied above)- 847.056 miles
- 1363.204 kilometers
- 736.071 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 848.280 miles
- 1365.174 kilometers
- 737.135 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).
How long does it take to fly from Fort Hood to Waterloo?
The estimated flight time from Killeen–Fort Hood Regional Airport to Waterloo Regional Airport is 2 hours and 6 minutes.
What is the time difference between Fort Hood and Waterloo?
Flight carbon footprint between Killeen–Fort Hood Regional Airport (GRK) and Waterloo Regional Airport (ALO)
On average, flying from Fort Hood to Waterloo generates about 139 kg of CO2 per passenger, and 139 kilograms equals 307 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Fort Hood to Waterloo
See the map of the shortest flight path between Killeen–Fort Hood Regional Airport (GRK) and Waterloo Regional Airport (ALO).
Airport information
| Origin | 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 |
| Destination | Waterloo Regional Airport |
|---|---|
| City: | Waterloo, IA |
| Country: | United States |
| IATA Code: | ALO |
| ICAO Code: | KALO |
| Coordinates: | 42°33′25″N, 92°24′1″W |