How far is it from Boston Massachusetts to San Francisco California?

The distance from Boston, Massachusetts, to San Francisco, California, is approximately 2,900 miles (4,667 km) when traveling by road. The driving time is around 45 hours without taking into account stops for gas, meals, and rest. The route would typically involve taking I-90 West from Boston, passing through New York, Ohio, Indiana, Illinois, Iowa, Nebraska, Wyoming, Utah, Nevada, and finally reaching California.