660.06 centimeters is equal to 259.9 inches.
This is slightly longer than the height of an average adult male at 5′ 2″ (157 cm).
It is also approximately the same length as a full-sized ironing board which can range from 54 to 60 inches (137-152 cm) in length.
In addition, 660.06 centimeters is similar to the length of a common rectangular dining table which can range from 60-78 inches (152-198 cm) in length.