There are
1,295 mi
from Sunnyvale, CA to Littleton, CO
That's the driving distance. It would take 22 hours 22 mins to go from Sunnyvale, California to Littleton, Colorado.
The flight distance (direct flight from Sunnyvale, CA to Littleton, CO) is 931.89 mi.
1,295 mi = 1.61 kms