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.
What is the halfway point between Birmingham Alabama and Nashville Tennessee?   According to mapquest, Birmingham is 1 hour 54 mins from Huntsville and Nashville is 1 hour 53 mins from Huntsville. So it looks like Huntsville is a good halfway point.