664.8 centimeters is equivalent to 261.807 inches.
This can also be expressed as 22 feet and 9.807 inches, or 6.98 yards.
To put this into perspective, the average height of a refrigerator is around 66 inches, so 664.8 centimeters is almost 4 times the height of a standard refrigerator.
Additionally, the average length of a queen size bed is around 80 inches, so 664.8 centimeters is roughly 3.3 times the length of a queen size bed.
Lastly, a standard classroom desk is typically around 30 inches in height, so 664.8 centimeters is approximately 8.7 times taller than a classroom desk.