666.03 centimeters is equal to 262.165 inches.
This is slightly longer than a standard door width, which measures about 80 inches.
It is also roughly the same length as a standard twin size mattress, which measures 75 inches in length.
Additionally, 666.03 centimeters is about the same length as a standard kitchen countertop, which measures between 80-90 inches.
It is also just slightly shorter than the average height of a giraffe, which is around 260-270 inches.