How far is Alpena, MI, from San Antonio, TX?
The distance between San Antonio (San Antonio International Airport) and Alpena (Alpena County Regional Airport) is 1346 miles / 2166 kilometers / 1169 nautical miles.
The driving distance from San Antonio (SAT) to Alpena (APN) is 1614 miles / 2597 kilometers, and travel time by car is about 29 hours 28 minutes.
San Antonio International Airport – Alpena County Regional Airport
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Distance from San Antonio to Alpena
There are several ways to calculate the distance from San Antonio to Alpena. Here are two standard methods:
Vincenty's formula (applied above)- 1345.701 miles
- 2165.695 kilometers
- 1169.382 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- 1346.169 miles
- 2166.449 kilometers
- 1169.789 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 San Antonio to Alpena?
The estimated flight time from San Antonio International Airport to Alpena County Regional Airport is 3 hours and 2 minutes.
What is the time difference between San Antonio and Alpena?
The time difference between San Antonio and Alpena is 1 hour. Alpena is 1 hour ahead of San Antonio.
Flight carbon footprint between San Antonio International Airport (SAT) and Alpena County Regional Airport (APN)
On average, flying from San Antonio to Alpena generates about 170 kg of CO2 per passenger, and 170 kilograms equals 374 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from San Antonio to Alpena
See the map of the shortest flight path between San Antonio International Airport (SAT) and Alpena County Regional Airport (APN).
Airport information
| Origin | San Antonio International Airport |
|---|---|
| City: | San Antonio, TX |
| Country: | United States  |
| IATA Code: | SAT |
| ICAO Code: | KSAT |
| Coordinates: | 29°32′1″N, 98°28′11″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 |