There are
2,523 mi
from Cary, NC to Walnut, CA
That's the driving distance. It would take 1 day 20 hours to go from Cary, North Carolina to Walnut, California.
The flight distance (direct flight from Cary, NC to Walnut, CA) is 2,203.31 mi.
2,523 mi = 4,059.90 kms