There are
2,965 mi
from Boynton Beach, FL to San Leandro, CA
That's the driving distance. It would take 2 days 5 hours to go from Boynton Beach, Florida to San Leandro, California.
The flight distance (direct flight from Boynton Beach, FL to San Leandro, CA) is 2,557.74 mi.
2,965 mi = 4,771.24 kms