There are
725 mi
from Hesperia, CA to Klamath Falls, OR
That's the driving distance. It would take 13 hours 35 mins to go from Hesperia, California to Klamath Falls, Oregon.
The flight distance (direct flight from Hesperia, CA to Klamath Falls, OR) is 590.81 mi.
725 mi = 1,167.21 kms