There are
360 mi
from Gaithersburg, MD to Elyria, OH
That's the driving distance. It would take 6 hours 45 mins to go from Gaithersburg, Maryland to Elyria, Ohio.
The flight distance (direct flight from Gaithersburg, MD to Elyria, OH) is 300.87 mi.
360 mi = 579.51 kms