There are
1,646 mi
from Buckeye, AZ to Decatur, IL
That's the driving distance. It would take 1 day 5 hours to go from Buckeye, Arizona to Decatur, Illinois.
The flight distance (direct flight from Buckeye, AZ to Decatur, IL) is 1,379.83 mi.
1,646 mi = 2,649.65 kms