Mt. Elbert in Colorado.
Santa Fe is the capital city in the U.S. state of New Mexico, the state directly south of Colorado.
Wyoming.
Arizona.
No state is contiguous.
Arizona is the 48th state and last of the contiguous states, admitted on February 14, 1912.
It's New Mexico. Colorado is directly north of New Mexico as Kentucky is directly north of Tennessee.
New Mexico
Mount Evans, Colorado (14,120 feet, 4,304 meters) - highest road in the 48 contiguous states
kansas mostly but Colorado too & in a few odd places Iowa & Missouri & yes even South Dakota i kid you not
The state directly north of Colo. is Wyoming.
The smallest US State, contiguous or otherwise is Rhode Island.