Europe and Asia are in the same landmass, like you can see in this picture.
Answer:
Ural Mountains
Explanation:
The Ural Mountains are a mountain range that runs 2500km from Russia to Kazakhstan
The Contiguous United States does not include Alaska, Hawaii, or any other territories under the control of the United States. Alaska is unique among the US states as it is part of the North American continent, meaning it is attached via Canada, and so is part of the "Continental United States".