There are
408 mi
from Schenectady, NY to Manassas, VA
That's the driving distance. It would take 8 hours 22 mins to go from Schenectady, New York to Manassas, Virginia.
The flight distance (direct flight from Schenectady, NY to Manassas, VA) is 336.13 mi.
408 mi = 657.09 kms