There are
3,084 mi
from Boynton Beach, FL to Susanville, CA
That's the driving distance. It would take 2 days 6 hours to go from Boynton Beach, Florida to Susanville, California.
The flight distance (direct flight from Boynton Beach, FL to Susanville, CA) is 2,501.78 mi.
3,084 mi = 4.83 kms