There are
1,546 mi
from Lancaster, CA to Fayetteville, AR
That's the driving distance. It would take 1 day 2 hours to go from Lancaster, California to Fayetteville, Arkansas.
The flight distance (direct flight from Lancaster, CA to Fayetteville, AR) is 1,351.83 mi.
1,546 mi = 2,487.99 kms