There are
1,842 mi
from San Jose, CA to Altoona, IA
That's the driving distance. It would take 1 day 7 hours to go from San Jose, California to Altoona, Iowa.
The flight distance (direct flight from San Jose, CA to Altoona, IA) is 1,537.10 mi.
1,842 mi = 1.61 kms