There are
885 mi
from Palo Alto, CA to Rexburg, ID
That's the driving distance. It would take 15 hours 49 mins to go from Palo Alto, California to Rexburg, Idaho.
The flight distance (direct flight from Palo Alto, CA to Rexburg, ID) is 698.61 mi.
885 mi = 1,423.99 kms