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.
The city of Decatur is located 45 minutes northwest of Fort Worth. It is in the middle between Fort Worth and Wichita Falls. For further directions view a map of Decatur. From Dallas: Take State Hwy. 114 until it runs into U.S. Hwy. 287. Take U.S. Hwy 287 until you run into Decatur.