There are
2,731 mi
from Summerville, SC to San Leandro, CA
That's the driving distance. It would take 2 days to go from Summerville, South Carolina to San Leandro, California.
The flight distance (direct flight from Summerville, SC to San Leandro, CA) is 2,367.56 mi.
2,731 mi = 4,394.62 kms