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.
You can also calculate the cost to drive from Huntsville, AL to Atlanta, GA based on current local gas prices and an estimate of your car's best gas mileage. If you're meeting a friend, you might be interested in finding the city that is halfway between Huntsville, AL and Atlanta, GA.