The document lists various length measurements including the length of a pencil being 10 cm, the length of a rubber being 4 cm, a meter being 100 cm, and the length of the front of a school being 52 m. It also provides the length of a car as 4 m, 1 km being 1000 m, 5 km being 5000 m, the length of an ant as 7 mm, the length of a clip as 18 mm, 1 m being 1000 mm, and 3 cm being 30 mm.