Miles between Gaithersburg, MD and Allen, TX

There are
1,329 mi
from Gaithersburg, MD to Allen, TX

That's the driving distance. It would take 23 hours 59 mins to go from Gaithersburg, Maryland to Allen, Texas.

The flight distance (direct flight from Gaithersburg, MD to Allen, TX) is 1,161.03 mi.

1,329 mi = 2,138.94 kms