There are
409 mi
from Gaithersburg, MD to Bucyrus, OH
That's the driving distance. It would take 7 hours 46 mins to go from Gaithersburg, Maryland to Bucyrus, Ohio.
The flight distance (direct flight from Gaithersburg, MD to Bucyrus, OH) is 326.57 mi.
409 mi = 657.64 kms