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How far is Eau Claire, WI, from San Antonio, TX?

The distance between San Antonio (San Antonio International Airport) and Eau Claire (Chippewa Valley Regional Airport) is 1124 miles / 1809 kilometers / 977 nautical miles.

The driving distance from San Antonio (SAT) to Eau Claire (EAU) is 1329 miles / 2139 kilometers, and travel time by car is about 23 hours 40 minutes.

San Antonio International Airport – Chippewa Valley Regional Airport

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1124
Miles
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1809
Kilometers
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977
Nautical miles

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Distance from San Antonio to Eau Claire

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

Vincenty's formula (applied above)
  • 1124.251 miles
  • 1809.307 kilometers
  • 976.948 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
  • 1125.848 miles
  • 1811.876 kilometers
  • 978.335 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 Eau Claire?

The estimated flight time from San Antonio International Airport to Chippewa Valley Regional Airport is 2 hours and 37 minutes.

What is the time difference between San Antonio and Eau Claire?

There is no time difference between San Antonio and Eau Claire.

Flight carbon footprint between San Antonio International Airport (SAT) and Chippewa Valley Regional Airport (EAU)

On average, flying from San Antonio to Eau Claire generates about 158 kg of CO2 per passenger, and 158 kilograms equals 348 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 Eau Claire

See the map of the shortest flight path between San Antonio International Airport (SAT) and Chippewa Valley Regional Airport (EAU).

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 Chippewa Valley Regional Airport
City: Eau Claire, WI
Country: United States Flag of United States
IATA Code: EAU
ICAO Code: KEAU
Coordinates: 44°51′56″N, 91°29′3″W