651.33 centimeters is equivalent to 256.38 inches.
This is approximately the length of six average pencils (each about 7 inches long), or almost two medium-sized office binders (each about 12 inches long).
In terms of height, it is slightly taller than the average adult male (around 5 feet 7 inches or 170 cm) and slightly shorter than the average adult female (around 5 feet 4 inches or 163 cm).
It is also slightly longer than a standard size yoga mat (around 72 inches or 183 cm).
In terms of length, it is just shorter than a standard size ping pong table (9 feet or 274 cm) and just longer than a standard size door (80 inches or 203 cm).