There are
2,758 mi
from Keansburg, NJ to Lancaster, CA
That's the driving distance. It would take 2 days 1 hour to go from Keansburg, New Jersey to Lancaster, California.
The flight distance (direct flight from Keansburg, NJ to Lancaster, CA) is 2,418.36 mi.
2,758 mi = 4,438.83 kms