The distance from Jacksonville, Florida to Los Angeles, California is about 3888 km. The earth’s circumference is about 40 000 km (source), so the US spans about 10% of that, roughly :)

The distance from Jacksonville, Florida to Los Angeles, California is about 3888 km. The earth’s circumference is about 40 000 km (source), so the US spans about 10% of that, roughly :)

Technically Alaska is the eastern most and western most state, so it spans the entire earth.
It’s only really the westernmost. You just gotta take a map that doesn’t split at the dateline, which is an arbitrary line. Even better, take a globe and it’s strictly west of conusa.