How far is Alpena, MI, from Fort Hood, TX?
The distance between Fort Hood (Killeen–Fort Hood Regional Airport) and Alpena (Alpena County Regional Airport) is 1237 miles / 1990 kilometers / 1075 nautical miles.
The driving distance from Fort Hood (GRK) to Alpena (APN) is 1509 miles / 2429 kilometers, and travel time by car is about 27 hours 38 minutes.
Killeen–Fort Hood Regional Airport – Alpena County Regional Airport
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Distance from Fort Hood to Alpena
There are several ways to calculate the distance from Fort Hood to Alpena. Here are two standard methods:
Vincenty's formula (applied above)- 1236.634 miles
- 1990.170 kilometers
- 1074.606 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- 1236.823 miles
- 1990.473 kilometers
- 1074.770 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 Alpena?
The estimated flight time from Killeen–Fort Hood Regional Airport to Alpena County Regional Airport is 2 hours and 50 minutes.
What is the time difference between Fort Hood and Alpena?
The time difference between Fort Hood and Alpena is 1 hour. Alpena is 1 hour ahead of Fort Hood.
Flight carbon footprint between Killeen–Fort Hood Regional Airport (GRK) and Alpena County Regional Airport (APN)
On average, flying from Fort Hood to Alpena generates about 163 kg of CO2 per passenger, and 163 kilograms equals 359 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 Alpena
See the map of the shortest flight path between Killeen–Fort Hood Regional Airport (GRK) and Alpena County Regional Airport (APN).
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 | Alpena County Regional Airport |
|---|---|
| City: | Alpena, MI |
| Country: | United States |
| IATA Code: | APN |
| ICAO Code: | KAPN |
| Coordinates: | 45°4′41″N, 83°33′37″W |