# 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
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
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.

PDT

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?