Depending on they type of whale, a whale can be a couple dozen feet to over 35 meters in length.
The longest reported fin whale was 89.5 ft. The average length for adults is 60-65 ft in the Northern Hemisphere and 67-72 ft in the Southern Hemisphere.
36 ft
23.3333 ft
100 ft
The Blue Whale is the largest whale and the largest mammal. The largest fish is the Great White Shark.
Orcas are 23 to 32 ft.
minke whale cen be 25 to 30 ft or 7 to 9 meters
The largest type of living whale is the Blue Whale. It is possible that there might have been another type of whale that was bigger but is now extinct - however the largest known extinct whales such as Basilosaurus - a whale-like cetacean - 40-65 ft (12-20 m) and Livyatan melvillei - an extinct toothed whale from the Miocene - 13.5-17.5 meters, were still smaller than the Blue Whale - up to 29.9 metres (98 ft).
The blue whale, which can reach 98 ft (29.9 m) in length.
The longest sei whale (Balaenoptera borealis) was reported to be 20 m (65 ft) in length, but average length is 45-49 ft (13.7-15 m).
108 ft. long, according to wikipedia.
9,842.5 ft or 3,000 meters