There are
1,911 mi
from Palmdale, CA to Decatur, IL
That's the driving distance. It would take 1 day 9 hours to go from Palmdale, California to Decatur, Illinois.
The flight distance (direct flight from Palmdale, CA to Decatur, IL) is 1,637.55 mi.
1,911 mi = 3,075.21 kms