39 centimeters = 15.35 inches
Some comparisons to known objects of similar size include:
1. Average carrot length: 17 cm = 6.69 inches (slightly longer than 39 cm)
2. Average baseball bat length: 86 cm = 33.86 inches (more than double the length of 39 cm)
3. Average apple diameter: 8 cm = 3.15 inches (approximately 5 times smaller than 39 cm)
4. Average sheet of paper length: 28 cm = 11.02 inches (about 2/3 the length of 39 cm)
5. Average computer keyboard width: 45 cm = 17.72 inches (slightly wider than 39 cm)