There are
1,842 mi
from Santa Clara, CA to Altoona, IA
That's the driving distance. It would take 1 day 7 hours to go from Santa Clara, California to Altoona, Iowa.
The flight distance (direct flight from Santa Clara, CA to Altoona, IA) is 1,539.85 mi.
1,842 mi = 1.61 kms