Air Miles Calculator

Distance between Washington D.C. (IAD) and San Antonio, TX (SAT)

Flight distance from Washington D.C. to San Antonio (Washington Dulles International Airport – San Antonio International Airport) is 1362 miles / 2192 kilometers / 1183 nautical miles. Estimated flight time is 3 hours 4 minutes.

Driving distance from Washington D.C. (IAD) to San Antonio (SAT) is 1581 miles / 2544 kilometers and travel time by car is about 27 hours 2 minutes.

Map of flight path and driving directions from Washington D.C. to San Antonio.

Shortest flight path between Washington Dulles International Airport (IAD) 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)
  • 1361.913 miles
  • 2191.786 kilometers
  • 1183.470 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
  • 1360.371 miles
  • 2189.304 kilometers
  • 1182.130 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 Washington Dulles International Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: IAD
ICAO Code: KIAD
Coordinates: 38°56′40″N, 77°27′20″W

B 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

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.

 EDT

San Antonio, TX

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 171 kg (377 pounds).

Frequent Flyer Miles Calculator

Washington D.C. (IAD) → San Antonio (SAT).

Distance:
1362
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1362

Round trip?