Resident Population of Municipalities by County 1980, 1990 & 2000.
Driving distance from Huntsville, AL to Decatur, AL. The total driving distance from Huntsville, AL to Decatur, AL is 26 miles or 42 kilometers. Your trip begins in Huntsville, Alabama. It ends in Decatur, Alabama.
Distance from Atlanta, GA to Huntsville, AL. There are miles from Atlanta to Huntsville and miles by car. Atlanta and Huntsville are far apart (by car). This is the best Atlanta, GA-Huntsville, AL route.