642.27 centimeters is equal to 252.79685 inches.
To put this measurement into perspective, here are some comparisons to known objects of similar size:
– 252.79685 inches is slightly longer than the height of an average adult giraffe (18-20 feet)
– It is slightly shorter than the length of a Nissan Altima (191.9 inches)
– It is about the same length as four standard school buses lined up end to end (each bus is around 60 feet long, or 240 feet total)