There are 582.64 miles from Huntsville to Washington Dulles International Airport (IAD) in northeast direction and 684 miles (1,100.79 kilometers) by car, following the I-81 N route.
Huntsville and IAD Airport are 10 hours 33 mins far apart, if you drive non-stop.
This is the fastest route from Huntsville, AL to IAD Airport. The halfway point is Meadowview, VA.
Please note the time difference between Huntsville, AL and IAD Airport is 1 hour. The current time in Huntsville is 7:17 pm and the current time in IAD Airport is 8:17 pm.
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