There are
1,828 mi
from Gaithersburg, MD to Sheridan, WY
That's the driving distance. It would take 1 day 8 hours to go from Gaithersburg, Maryland to Sheridan, Wyoming.
The flight distance (direct flight from Gaithersburg, MD to Sheridan, WY) is 1,568.02 mi.
1,828 mi = 2,942.16 kms