What is the total length of east to west?

The total length from east to west can vary significantly depending on the context. For example, the United States stretches about 2,800 miles from its easternmost point in Maine to its westernmost point in Alaska. Globally, the distance from the easternmost point in Asia (Cape Dezhnev, Russia) to the westernmost point in North America (Point Barrow, Alaska) is approximately 10,000 miles. If you have a specific context in mind, please clarify for a more precise answer.