666.65 centimeters is 262.25 inches.
This is longer than a standard hallway in most homes, which is about 240 inches long.
It is also longer than most standard doors, which are typically 80 inches tall.
It is shorter than the wingspan of a bald eagle, which can range from 6 to 7 feet (72 to 84 inches).
It is also shorter than the height of a giraffe, which can range from 14 to 18 feet (168 to 216 inches).