Average driving speed: 50.6 mph
Kilometers per hour: 81.4 km/h
This is based on typical traffic conditions for this route.

• Dulles to Buffalo drive
• road conditions from Dulles to Buffalo
• flattest route from Dulles to Buffalo

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Map of driving directions from IAD to BUF

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

More trip calculations

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• Cost To Drive
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• Halfway
• Places To Stop
• Hotels near BUF
• Flight Duration
• Distance To Fly
• airports near BUF
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Driving time from IAD to BUF

How long is the drive from IAD to BUF? The total driving time is 7 hours, 31 minutes.

Your trip begins at Washington Dulles International Airport in Dulles, Virginia. It ends at Buffalo Niagara International Airport in Buffalo, New York.

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

You can also calculate the cost to drive from IAD to BUF 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 BUF.

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

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.