Miles between Sunnyvale, CA and Boulder, CO

There are
1,276 mi
from Sunnyvale, CA to Boulder, CO

That's the driving distance. It would take 22 hours 4 mins to go from Sunnyvale, California to Boulder, Colorado.

The flight distance (direct flight from Sunnyvale, CA to Boulder, CO) is 920.94 mi.

1,276 mi = 1.61 kms