The area of Wilson's Creek National Battlefield is 7,081,634.5221219845 square meters.
The area of Sayler's Creek Battlefield is 4,135,887.2636928 square meters.
The area of Cowpens National Battlefield is 3,407,453.1076608 square meters.
The area of Monocacy National Battlefield is 6,665,172.5276928 square meters.
The area of Big Hole National Battlefield is 2,650,690.9566720002 square meters.
The area of Manassas National Battlefield Park is 20.53 square kilometers.
The area of Stones River National Battlefield is 2,947,770.686640384 square meters.
The area of Little Bighorn Battlefield National Monument is 3,097,221.0943196164 square meters.
The area of Kennesaw Mountain National Battlefield Park is 11.688 square kilometers.
The area of Tunnel Creek National Park is 910,000.0 square meters.
The area of Eudlo Creek National Park is 430,000.0 square meters.
The area of Fortis Creek National Park is 78 square kilometers.
The area of Ferntree Creek National Park is 720,000.0 square meters.