Miles between Simi Valley, CA and Waltham, MA

There are
3,003 mi
from Simi Valley, CA to Waltham, MA

That's the driving distance. It would take 2 days 6 hours to go from Simi Valley, California to Waltham, Massachusetts.

The flight distance (direct flight from Simi Valley, CA to Waltham, MA) is 2,602.37 mi.

3,003 mi = 4.83 kms