There are
2,331 mi
from Hayward, CA to Clarksville, IN
That's the driving distance. It would take 1 day 16 hours to go from Hayward, California to Clarksville, Indiana.
The flight distance (direct flight from Hayward, CA to Clarksville, IN) is 1,965.62 mi.
2,331 mi = 3.22 kms