There are
2,819 mi
from Walnut Creek, CA to Apex, NC
That's the driving distance. It would take 2 days 1 hour to go from Walnut Creek, California to Apex, North Carolina.
The flight distance (direct flight from Walnut Creek, CA to Apex, NC) is 2,373.56 mi.
2,819 mi = 4,536.36 kms