There are
921 mi
from Tucson, AZ to Susanville, CA
That's the driving distance. It would take 18 hours 8 mins to go from Tucson, Arizona to Susanville, California.
The flight distance (direct flight from Tucson, AZ to Susanville, CA) is 782.46 mi.
921 mi = 1,482.17 kms