There are
917 mi
from Waterloo, IA to Hagerstown, MD
That's the driving distance. It would take 17 hours 2 mins to go from Waterloo, Iowa to Hagerstown, Maryland.
The flight distance (direct flight from Waterloo, IA to Hagerstown, MD) is 785.68 mi.
917 mi = 1,476.17 kms