Miles between Allen, TX and Rockville, MD

There are
1,324 mi
from Allen, TX to Rockville, MD

That's the driving distance. It would take 23 hours 51 mins to go from Allen, Texas to Rockville, Maryland.

The flight distance (direct flight from Allen, TX to Rockville, MD) is 1,162.49 mi.

1,324 mi = 1.61 kms