What is distance between California to Massachusetts?

The flight distance from California (CA) to Massachusetts (MA) is:2,586 miles / 4,163 km

4,159.68 kilometres (2,584.71 miles)

The flight distance from California (CA) to Colorado (CO) is:815 miles / 1,311 km

Obviously, it would depend upon your location in each state, but Mapquest says it is about 2700 miles (about 40.5 hours driving time).

The flight distance from Texas (TX) to California (CA) is:1,318 miles / 2,120 km