Their average length is 10 to 13 feet long.

Venomous, they can kill a man in thirty minutes or less. As a young person, I have always had a fear of snakes, but as a child I was always around them. Reaching up to 18 feet long, king cobras are the largest venomous snakes in the world. King Cobra: Certainly Not Charming Owning a King Cobra was quite the experience. Like all snakes, they continue growing for as long as they live. The longest individual king cobra ever found in the world was 19 feet long. The exception to this rule is the king cobra. Hailing from India and Southeast Asia, King Cobras are one of the deadliest snakes in the world.