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How far is Washington D.C. from San Antonio, TX?

The distance between San Antonio (San Antonio International Airport) and Washington D.C. (Ronald Reagan Washington National Airport) is 1381 miles / 2222 kilometers / 1200 nautical miles.

The driving distance from San Antonio (SAT) to Washington D.C. (DCA) is 1599 miles / 2574 kilometers, and travel time by car is about 28 hours 54 minutes.

San Antonio International Airport – Ronald Reagan Washington National Airport

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1381
Miles
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2222
Kilometers
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1200
Nautical miles

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Distance from San Antonio to Washington D.C.

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

Vincenty's formula (applied above)
  • 1380.511 miles
  • 2221.717 kilometers
  • 1199.631 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
  • 1378.887 miles
  • 2219.103 kilometers
  • 1198.220 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 Washington D.C.?

The estimated flight time from San Antonio International Airport to Ronald Reagan Washington National Airport is 3 hours and 6 minutes.

Flight carbon footprint between San Antonio International Airport (SAT) and Ronald Reagan Washington National Airport (DCA)

On average, flying from San Antonio to Washington D.C. generates about 172 kg of CO2 per passenger, and 172 kilograms equals 379 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 Washington D.C.

See the map of the shortest flight path between San Antonio International Airport (SAT) and Ronald Reagan Washington National Airport (DCA).

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 Ronald Reagan Washington National Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: DCA
ICAO Code: KDCA
Coordinates: 38°51′7″N, 77°2′15″W