There are
1,676 mi
from Sunnyvale, CA to Grapevine, TX
That's the driving distance. It would take 1 day 5 hours to go from Sunnyvale, California to Grapevine, Texas.
The flight distance (direct flight from Sunnyvale, CA to Grapevine, TX) is 1,438.34 mi.
1,676 mi = 2,697.27 kms