341.87 centimeters is equivalent to 134.6 inches.
This is about the length of an average adult human arm from fingertips to the top of the shoulder. It is also slightly longer than the length of a skateboard.
In terms of electronic devices, 341.87 centimeters is about the height of a 34 inch television and the width of a 13 inch laptop. It is also just slightly shorter than the height of an average adult-sized guitar.