There are
1,881 mi
from Sunnyvale, CA to Huntsville, TX
That's the driving distance. It would take 1 day 9 hours to go from Sunnyvale, California to Huntsville, Texas.
The flight distance (direct flight from Sunnyvale, CA to Huntsville, TX) is 1,578.22 mi.
1,881 mi = 1.61 kms