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.
Central Standard Time - is abbreviated as CST. Central Daylight Time- is abbreviated as CDT. Huntsville, Alabama is GMT/UTC - 6h during Standard Time. Huntsville, Alabama is GMT/UTC - 5h during Daylight Saving Time.