Air Miles Calculator

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

Flight distance from San Diego to Washington D.C. (San Diego International Airport – Washington Dulles International Airport) is 2253 miles / 3626 kilometers / 1958 nautical miles. Estimated flight time is 4 hours 45 minutes.

Driving distance from San Diego (SAN) to Washington D.C. (IAD) is 2675 miles / 4305 kilometers and travel time by car is about 44 hours 42 minutes.

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

Shortest flight path between San Diego International Airport (SAN) and Washington Dulles International Airport (IAD).

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)
  • 2253.066 miles
  • 3625.958 kilometers
  • 1957.861 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
  • 2248.329 miles
  • 3618.335 kilometers
  • 1953.745 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 Flag of United States
IATA Code: SAN
ICAO Code: KSAN
Coordinates: 32°44′0″N, 117°11′24″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

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

 PDT

Washington D.C.

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 247 kg (543 pounds).

Frequent Flyer Miles Calculator

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

Distance:
2253
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2253

Round trip?