How far is San Antonio, TX, from Alpena, MI?
The distance between Alpena (Alpena County Regional Airport) and San Antonio (San Antonio International Airport) is 1346 miles / 2166 kilometers / 1169 nautical miles.
The driving distance from Alpena (APN) to San Antonio (SAT) is 1614 miles / 2597 kilometers, and travel time by car is about 29 hours 31 minutes.
Alpena County Regional Airport – San Antonio International Airport
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Distance from Alpena to San Antonio
There are several ways to calculate the distance from Alpena to San Antonio. 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 Alpena to San Antonio?
The estimated flight time from Alpena County Regional Airport to San Antonio International Airport is 3 hours and 2 minutes.
What is the time difference between Alpena and San Antonio?
The time difference between Alpena and San Antonio is 1 hour. San Antonio is 1 hour behind Alpena.
Flight carbon footprint between Alpena County Regional Airport (APN) and San Antonio International Airport (SAT)
On average, flying from Alpena to San Antonio 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 Alpena to San Antonio
See the map of the shortest flight path between Alpena County Regional Airport (APN) and San Antonio International Airport (SAT).
Airport information
| Origin | 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 |
| Destination | 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 |