There are
2,757 mi
from Vallejo, CA to Summerville, SC
That's the driving distance. It would take 2 days 1 hour to go from Vallejo, California to Summerville, South Carolina.
The flight distance (direct flight from Vallejo, CA to Summerville, SC) is 2,370.86 mi.
2,757 mi = 3.22 kms