671.64 centimeters is equal to 264.6 inches.
This can be compared to the height of a standard doorway, which is usually around 80 inches, making 671.64 centimeters almost 3.5 times taller than a doorway.
It is also slightly taller than the average height of an adult giraffe, which is around 196 inches.
Additionally, it is almost 9 times longer than an iPhone 11, which measures approximately 5.94 inches.
Compared to a standard ruler, which is 12 inches long, 671.64 centimeters is more than 22 times longer.