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).
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.
San Diego, CA
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 247 kg (543 pounds).
Frequent Flyer Miles Calculator
San Diego (SAN) → Washington D.C. (IAD).