They share a common border.
No two US states share a northern border with Maine.
It is true that New York and Massachusetts share a common border.
They share a common border.They share a common border.
Maine
No two US states share a northern border with Maine.
Oklahoma and Colorado share a common border.
When countries share a border it is referred to as a "common or shared" border.
Maine,Vermont,New Hampshire
They share a common border.
Yes, they share a common border.
Yes, they share a common border.