Air Miles Calculator

Distance between Washington D.C. (DCA) and San Diego, CA (SAN)

Flight distance from Washington D.C. to San Diego (Ronald Reagan Washington National Airport – San Diego International Airport) is 2276 miles / 3663 kilometers / 1978 nautical miles. Estimated flight time is 4 hours 48 minutes.

Driving distance from Washington D.C. (DCA) to San Diego (SAN) is 2689 miles / 4327 kilometers and travel time by car is about 44 hours 57 minutes.

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

Shortest flight path between Ronald Reagan Washington National Airport (DCA) and San Diego International Airport (SAN).

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

There are several ways to calculate distances between Washington D.C. and San Diego. Here are two common methods:

Vincenty's formula (applied above)
  • 2275.786 miles
  • 3662.522 kilometers
  • 1977.604 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
  • 2270.989 miles
  • 3654.803 kilometers
  • 1973.436 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 Flag of United States
IATA Code: DCA
ICAO Code: KDCA
Coordinates: 38°51′7″N, 77°2′15″W

B San Diego International Airport
City: San Diego, CA
Country: United States Flag of United States
IATA Code: SAN
ICAO Code: KSAN
Coordinates: 32°44′0″N, 117°11′24″W

Time difference and current local times

The time difference between Washington D.C. and San Diego is 3 hours. San Diego is 3 hours behind Washington D.C..

Time Difference

Washington D.C.

 EDT

San Diego, CA

 PDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 249 kg (549 pounds).

Frequent Flyer Miles Calculator

Washington D.C. (DCA) → San Diego (SAN).

Distance:
2276
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2276

Round trip?