Distance between Washington D.C. (DCA) and San Antonio, TX (SAT)
Flight 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. Estimated flight time is 3 hours 6 minutes.
Driving distance from Washington D.C. (DCA) to San Antonio (SAT) is 1596 miles / 2569 kilometers and travel time by car is about 27 hours 23 minutes.
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Washington D.C. - San Antonio
Map of flight path and driving directions from Washington D.C. to San Antonio.
Shortest flight path between Ronald Reagan Washington National Airport (DCA) and San Antonio International Airport (SAT).
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).
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 |
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 172 kg (379 pounds).
Frequent Flyer Miles Calculator
Washington D.C. (DCA) → San Antonio (SAT).
In total
Round trip?