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How far is Casper, WY, from San Antonio, TX?

The distance between San Antonio (San Antonio International Airport) and Casper (Casper–Natrona County International Airport) is 1023 miles / 1647 kilometers / 889 nautical miles.

The driving distance from San Antonio (SAT) to Casper (CPR) is 1215 miles / 1956 kilometers, and travel time by car is about 21 hours 30 minutes.

San Antonio International Airport – Casper–Natrona County International Airport

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1023
Miles
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1647
Kilometers
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889
Nautical miles

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Distance from San Antonio to Casper

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

Vincenty's formula (applied above)
  • 1023.410 miles
  • 1647.018 kilometers
  • 889.319 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
  • 1024.698 miles
  • 1649.091 kilometers
  • 890.438 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 Casper?

The estimated flight time from San Antonio International Airport to Casper–Natrona County International Airport is 2 hours and 26 minutes.

Flight carbon footprint between San Antonio International Airport (SAT) and Casper–Natrona County International Airport (CPR)

On average, flying from San Antonio to Casper generates about 152 kg of CO2 per passenger, and 152 kilograms equals 336 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 Casper

See the map of the shortest flight path between San Antonio International Airport (SAT) and Casper–Natrona County International Airport (CPR).

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 Casper–Natrona County International Airport
City: Casper, WY
Country: United States Flag of United States
IATA Code: CPR
ICAO Code: KCPR
Coordinates: 42°54′28″N, 106°27′50″W