That would depend on where you are, which you didn't include in the question.
Alaska is the US state closest to where the first people crossed a land bridge into North America. The Bering Land Bridge connected Alaska and Siberia during the last Ice Age, allowing early humans to migrate into North America.
Hawaii is the closest U.S. state to the equator.
Washington is the closest US state to Alaska.
Alaska, then Hawaii, however somewhere in WA or OR is actually the closest in the contiguous US
Texas would be such state.
the us state of new york
Michigan has the closest population to Guinea.
Alaska
Alaska.
Alaska.
California.