# 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
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
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..

EDT

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?