Distance between San Diego, CA (SAN) and Washington D.C. (DCA)
Flight distance from San Diego to Washington D.C. (San Diego International Airport – Ronald Reagan Washington National Airport) is 2276 miles / 3663 kilometers / 1978 nautical miles. Estimated flight time is 4 hours 48 minutes.
Driving distance from San Diego (SAN) to Washington D.C. (DCA) is 2689 miles / 4328 kilometers and travel time by car is about 45 hours 0 minutes.
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Multiple airports
San Diego - Washington D.C.
Map of flight path and driving directions from San Diego to Washington D.C..
Shortest flight path between San Diego International Airport (SAN) and Ronald Reagan Washington National Airport (DCA).
How far is Washington D.C. from San Diego?
There are several ways to calculate distances between San Diego and Washington D.C.. 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 | 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 |
| B | 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 |
Time difference and current local times
The time difference between San Diego and Washington D.C. is 3 hours. Washington D.C. is 3 hours ahead of San Diego.
Time Difference
San Diego, CA
Washington D.C.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 249 kg (549 pounds).
Frequent Flyer Miles Calculator
San Diego (SAN) → Washington D.C. (DCA).
In total
Round trip?