There are
2,780 mi
from Sunnyvale, CA to Hagerstown, MD
That's the driving distance. It would take 2 days to go from Sunnyvale, California to Hagerstown, Maryland.
The flight distance (direct flight from Sunnyvale, CA to Hagerstown, MD) is 2,376.90 mi.
2,780 mi = 3.22 kms