14.48 km
There are 1609.344 metres in one mile. Therefore, 9 miles is equal to 9 x 1609.344 = 14484.096 metres.
15,840
One mile is equal to 1760 x 3 x 12 = 63360 inches. Therefore, 9 miles is equal to 9 x 63360 = 570240 inches.
There are 1760 yards in one mile. Therefore, 9 miles is equal to 1760 x 9 = 15840 yards.