42 kilometres.
There are 4.2 illion = 4200000 mm.
4200000 = four million two hundred thousand.
2.4 kilometers=240,000 centimeters
There are 40,000,000 centimeters in 400 kilometers, as there are 100,000 centimeters in a kilometer.
There are 500 000 centimeters in 5 kilometers.
5.1 kilometers is 510,000 centimeters.
6 kilometers=600,000 centimeters
No, 10 Kilometers = 1,000,000 centimeters or 1000 centimeters = .01 kilometers
6.25 kilometers=625,000 centimeters
15 kilometers is 1,500,000 centimeters.
Kilometers x 100,000 = centimeters
5.1 kilometers is 510,000 centimeters.