Here's why:
* The US is shaped like a triangle: The East Coast and West Coast are at different latitudes, creating a significant difference in distance depending on where you start and end.
* Coastlines are curvy: The shape of the coastline itself adds complexity. You could measure along the shortest path, a straight line, or follow the actual coastline, each giving a different result.
To get a more accurate answer, you need to specify:
* Starting point on the East Coast: Is it Miami, New York City, or somewhere else?
* Ending point on the West Coast: Is it Los Angeles, San Francisco, or a different city?
* How you want to measure: Do you want the shortest distance (a straight line), the distance along the coastline, or something else?
Once you specify those details, you can use a mapping tool (like Google Maps or a dedicated distance calculator) to find the distance in meters.