There are
2,968 mi
from Boynton Beach, FL to Belmont, CA
That's the driving distance. It would take 2 days 5 hours to go from Boynton Beach, Florida to Belmont, California.
The flight distance (direct flight from Boynton Beach, FL to Belmont, CA) is 2,563.09 mi.
2,968 mi = 4,777.20 kms