Denmark is roughly 43,094 SQ KM which translates to 16638.6864 SQ MI - West Virginia is 24,230 SQ MI. Maryland (including water based land) - 12,407 SQ MI. New Mexico is way off as an answer being one of the largest states in the US (#5).
Texas.
Florida
Ohio
new hampshire
rhode island
The combined size of the US states of Texas and California.
Colorado.
West Virginia
C.A.R. is approximately 622,980 km. The closest US state to that size is Texas which is 692,200 km. (The next largest US state, California, is 411,500 km.)
There are no states in Denmark like the US. The capital city, if that is what you are asking, in Denmark, is Copenhagen, or København in Danish.
Germany is about the size of California, although a bit smaller.
it is the same size as everything esat of the Mississippi river