Distance between Washington D.C. (DCA) and San Antonio, TX (SAT)
Distance from Washington D.C. to San Antonio (Ronald Reagan Washington National Airport – San Antonio International Airport) is 1381 miles / 2222 kilometers / 1200 nautical miles.
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Multiple airports
Washington D.C. - San Antonio
How far is San Antonio from Washington D.C.?
There are several ways to calculate distances between Washington D.C. and San Antonio. Here are two common 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 earth.
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).
Flight duration
Estimated flight time from Ronald Reagan Washington National Airport (DCA) to San Antonio International Airport (SAT) is 3 hours 6 minutes.
Time difference and current local times
The time difference between Washington D.C. and San Antonio is 1 hour. San Antonio is 1 hour behind Washington D.C..
Time Difference
Washington D.C.
San Antonio, TX
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 167 kg (368 pounds).
Airport information
| A | Ronald Reagan Washington National Airport |
|---|---|
| City: | Washington D.C. |
| Country: | United States  |
| IATA Code: | DCA |
| ICAO Code: | KDCA |
| Coordinates: | 38°51′7″N, 77°2′15″W |
| B | San Antonio International Airport |
|---|---|
| City: | San Antonio, TX |
| Country: | United States |
| IATA Code: | SAT |
| ICAO Code: | KSAT |
| Coordinates: | 29°32′1″N, 98°28′11″W |
Washington D.C. to San Antonio flight path
Shortest flight path between Ronald Reagan Washington National Airport (DCA) and San Antonio International Airport (SAT).
Frequent Flyer Miles Calculator
Washington D.C. (DCA) → San Antonio (SAT).
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