how fast do Orcas swim
A killer whale can swim at speeds up to around 28mph which is about 45.1km/h. Killer whales will swim at those speeds for short bursts. They usually just cruise at around 8mph which is about 12.9km/h.The body of a male killer whale will be around 6-8 meters long which is about 19.7-26.2 feet long.The body of a female killer whale will be around 5-7 meters long which is about 16.4-23 feet long.iller whales will swim at those speeds for short bursts. They usually just cruise at around 8mph which is about 12.9km/h.