668.73 centimeters is equal to 263.441 inches.
This is approximately the height of a standard adult male giraffe, which can range from 18 to 20 feet tall.
It is also slightly taller than the height of a standard NBA basketball hoop, which is 10 feet or 120 inches.
Compared to everyday objects, 668.73 centimeters is longer than a yardstick (36 inches) and a standard classroom ruler (12 inches). It is also taller than a standard door (80 inches) and most refrigerators (70-72 inches). However, it is shorter than a king-sized bed (80 inches).