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How far is Lafayette, LA, from San Antonio, TX?

The distance between San Antonio (San Antonio International Airport) and Lafayette (Lafayette Regional Airport) is 392 miles / 631 kilometers / 340 nautical miles.

The driving distance from San Antonio (SAT) to Lafayette (LFT) is 418 miles / 673 kilometers, and travel time by car is about 7 hours 42 minutes.

San Antonio International Airport – Lafayette Regional Airport

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392
Miles
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631
Kilometers
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340
Nautical miles

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Distance from San Antonio to Lafayette

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

Vincenty's formula (applied above)
  • 391.824 miles
  • 630.580 kilometers
  • 340.486 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
  • 391.089 miles
  • 629.397 kilometers
  • 339.847 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 Lafayette?

The estimated flight time from San Antonio International Airport to Lafayette Regional Airport is 1 hour and 14 minutes.

What is the time difference between San Antonio and Lafayette?

There is no time difference between San Antonio and Lafayette.

Flight carbon footprint between San Antonio International Airport (SAT) and Lafayette Regional Airport (LFT)

On average, flying from San Antonio to Lafayette generates about 83 kg of CO2 per passenger, and 83 kilograms equals 182 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 Lafayette

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

Airport information

Origin 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
Destination Lafayette Regional Airport
City: Lafayette, LA
Country: United States Flag of United States
IATA Code: LFT
ICAO Code: KLFT
Coordinates: 30°12′19″N, 91°59′15″W