Average driving speed: 66.7 mph
Kilometers per hour: 107.3 km/h
This is based on typical traffic conditions for this route.

• Dulles to San Diego drive
• road conditions from Dulles to San Diego
• flattest route from Dulles to San Diego

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Map of driving directions from IAD to SAN

View a map with driving directions using your preferred map provider: Google Maps, Bing Maps, or MapQuest.

More trip calculations

• Driving Distance
• Cost To Drive
• Reverse Driving Time
• Halfway
• Places To Stop
• Hotels near SAN
• Flight Duration
• Distance To Fly
• airports near SAN
• airlines flying to SAN
• Direct Flight
• Time Zone Change

Driving time from IAD to SAN

How long is the drive from IAD to SAN? The total driving time is 40 hours, 9 minutes.

Your trip begins at Washington Dulles International Airport in Dulles, Virginia. It ends at San Diego International Airport in San Diego, California.

If you're planning a road trip, you might be interested in seeing the total driving distance from IAD to SAN.

You can also calculate the cost to drive from IAD to SAN based on current local gas prices and an estimate of your car's best gas mileage.

If you're meeting a friend, you might be interested in finding the city that is halfway between IAD and SAN.

Planning to fly a plane instead? You might be more interested in calculating the flight time from IAD to SAN.

Driving time calculator

Travelmath helps you find the driving time based on actual directions for your road trip. You can find out how long it will take to drive between any two cities, airports, states, countries, or zip codes. This can also help you plan the best route to travel to your destination. Compare the results with the flight time calculator to see how much longer it might take to drive the distance instead of flying. You can also print out pages with a travel map.