Miles between Gaithersburg, MD and Casper, WY

There are
1,798 mi
from Gaithersburg, MD to Casper, WY

That's the driving distance. It would take 1 day 8 hours to go from Gaithersburg, Maryland to Casper, Wyoming.

The flight distance (direct flight from Gaithersburg, MD to Casper, WY) is 1,531.68 mi.

1,798 mi = 2,893.21 kms