Montana is the closest state in size to Germany.
Germany
At 147,046 square miles Montana is closet to Germany's 137,847 square miles. Next in size would be New Mexico at 121,593 square miles.
New Mexico is slightly larger than Poland. Arizona is slightly smaller.
No US state has that area. The closest is Maryland, with 12,407 square miles.
Texas
Texas
In land area, the Netherlands is closest in size to Maryland.
Victoria is closest in size to Italy.
Germany is about the size of the U.S state of Montana
Kansas is closest to this size.
Wyoming and Colorado are closest in size to Ecuador.