There are
1,697 mi
from Hawthorne, CA to Johnston, IA
That's the driving distance. It would take 1 day 5 hours to go from Hawthorne, California to Johnston, Iowa.
The flight distance (direct flight from Hawthorne, CA to Johnston, IA) is 1,442.11 mi.
1,697 mi = 2,730.95 kms