Burmese python  (18.8 feet)

Cuban boa (up to 19.6 feet)

Indian python (up to 21 feet)

Reticulated python (32.8 feet)

Green anaconda (up to 33 feet)

Gigantophis garstini (up to 32 feet)

Palaeophis colossaeus (39 feet)

Titanoboa cerrejonensis (42.7 feet)

Vasuki Indicus (up to 50 feet)