There are
2,421 mi
from Sunnyvale, CA to Flint, MI
That's the driving distance. It would take 1 day 18 hours to go from Sunnyvale, California to Flint, Michigan.
The flight distance (direct flight from Sunnyvale, CA to Flint, MI) is 2,042.90 mi.
2,421 mi = 3.22 kms