There are
2,230 mi
from Gaithersburg, MD to Douglas, AZ
That's the driving distance. It would take 1 day 15 hours to go from Gaithersburg, Maryland to Douglas, Arizona.
The flight distance (direct flight from Gaithersburg, MD to Douglas, AZ) is 1,891.69 mi.
2,230 mi = 3,588.81 kms