There are
1,830 mi
from Boone, IA to Hayward, CA
That's the driving distance. It would take 1 day 7 hours to go from Boone, Iowa to Hayward, California.
The flight distance (direct flight from Boone, IA to Hayward, CA) is 1,518.78 mi.
1,830 mi = 2,944.56 kms