There are
1,721 mi
from Sunnyvale, CA to Greenville, TX
That's the driving distance. It would take 1 day 6 hours to go from Sunnyvale, California to Greenville, Texas.
The flight distance (direct flight from Sunnyvale, CA to Greenville, TX) is 1,486.72 mi.
1,721 mi = 2,770.30 kms