There are
2,856 mi
from Pittsburg, CA to Wilmington, DE
That's the driving distance. It would take 2 days 2 hours to go from Pittsburg, California to Wilmington, Delaware.
The flight distance (direct flight from Pittsburg, CA to Wilmington, DE) is 2,466.95 mi.
2,856 mi = 4,596.76 kms