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How far is San Antonio, TX, from Montgomery, AL?

The distance between Montgomery (Montgomery Regional Airport) and San Antonio (San Antonio International Airport) is 742 miles / 1194 kilometers / 644 nautical miles.

The driving distance from Montgomery (MGM) to San Antonio (SAT) is 830 miles / 1336 kilometers, and travel time by car is about 15 hours 5 minutes.

Montgomery Regional Airport – San Antonio International Airport

Distance arrow
742
Miles
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1194
Kilometers
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644
Nautical miles

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Distance from Montgomery to San Antonio

There are several ways to calculate the distance from Montgomery to San Antonio. Here are two standard methods:

Vincenty's formula (applied above)
  • 741.657 miles
  • 1193.581 kilometers
  • 644.482 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
  • 740.416 miles
  • 1191.585 kilometers
  • 643.404 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 Montgomery to San Antonio?

The estimated flight time from Montgomery Regional Airport to San Antonio International Airport is 1 hour and 54 minutes.

What is the time difference between Montgomery and San Antonio?

There is no time difference between Montgomery and San Antonio.

Flight carbon footprint between Montgomery Regional Airport (MGM) and San Antonio International Airport (SAT)

On average, flying from Montgomery to San Antonio generates about 129 kg of CO2 per passenger, and 129 kilograms equals 285 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Montgomery to San Antonio

See the map of the shortest flight path between Montgomery Regional Airport (MGM) and San Antonio International Airport (SAT).

Airport information

Origin Montgomery Regional Airport
City: Montgomery, AL
Country: United States Flag of United States
IATA Code: MGM
ICAO Code: KMGM
Coordinates: 32°18′2″N, 86°23′38″W
Destination San Antonio International Airport
City: San Antonio, TX
Country: United States Flag of United States
IATA Code: SAT
ICAO Code: KSAT
Coordinates: 29°32′1″N, 98°28′11″W