There are
1,431 mi
from Gilbert, AZ to Chesterfield, MO
That's the driving distance. It would take 1 day 1 hour to go from Gilbert, Arizona to Chesterfield, Missouri.
The flight distance (direct flight from Gilbert, AZ to Chesterfield, MO) is 1,237.75 mi.
1,431 mi = 2,302.85 kms