There are
1,606 mi
from Cheyenne, WY to Westminster, MD
That's the driving distance. It would take 1 day 5 hours to go from Cheyenne, Wyoming to Westminster, Maryland.
The flight distance (direct flight from Cheyenne, WY to Westminster, MD) is 1,462.69 mi.
1,606 mi = 2,585.18 kms