Miles between Pomona, CA and Johnston, IA

There are
1,656 mi
from Pomona, CA to Johnston, IA

That's the driving distance. It would take 1 day 4 hours to go from Pomona, California to Johnston, Iowa.

The flight distance (direct flight from Pomona, CA to Johnston, IA) is 1,407.35 mi.

1,656 mi = 1.61 kms