There are
1,722 mi
from Nampa, ID to Deerfield, IL
That's the driving distance. It would take 1 day 5 hours to go from Nampa, Idaho to Deerfield, Illinois.
The flight distance (direct flight from Nampa, ID to Deerfield, IL) is 1,450.43 mi.
1,722 mi = 1.61 kms