There are
3,002 mi
from Waltham, MA to Manhattan Beach, CA
That's the driving distance. It would take 2 days 5 hours to go from Waltham, Massachusetts to Manhattan Beach, California.
The flight distance (direct flight from Waltham, MA to Manhattan Beach, CA) is 2,595.62 mi.
3,002 mi = 4,831.83 kms