There are
808 mi
from Gaithersburg, MD to Stoughton, WI
That's the driving distance. It would take 15 hours 12 mins to go from Gaithersburg, Maryland to Stoughton, Wisconsin.
The flight distance (direct flight from Gaithersburg, MD to Stoughton, WI) is 677.62 mi.
808 mi = 1,300.89 kms