Air Miles Calculator

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

Distance from San Antonio to Washington D.C. (San Antonio International Airport – Washington Dulles International Airport) is 1362 miles / 2192 kilometers / 1183 nautical miles.

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

There are several ways to calculate distances between San Antonio and Washington D.C.. 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).

Flight duration

Estimated flight time from San Antonio International Airport (SAT) to Washington Dulles International Airport (IAD) is 3 hours 4 minutes.

Time difference and current local times

The time difference between San Antonio and Washington D.C. is 1 hour. Washington D.C. is 1 hour ahead of San Antonio.

Time Difference

San Antonio
Washington D.C.

San Antonio, TX

 CST

Washington D.C.

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 171 kg (378 pounds).

Airport information


A 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

B 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

Map

San Antonio to Washington D.C. flight map.

Frequent Flyer Miles Calculator

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

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1362
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1362

Round trip?