There are
3,031 mi
from Chicopee, MA to San Mateo, CA
That's the driving distance. It would take 2 days 5 hours to go from Chicopee, Massachusetts to San Mateo, California.
The flight distance (direct flight from Chicopee, MA to San Mateo, CA) is 2,618.69 mi.
3,031 mi = 4,877.81 kms