9000 centimeters is less than 2 kilometers. 100 centimeters is equal to 1 meter while 1000 meters is equal to 1 kilometer. So, 9000 cm would equal 90 meters which would only equal 0.09 kilometers.
In other words:
100 cm = 1 m
1000 m = 1 km
So, 9000 cm = 90 m = 0.09 km
9000 cm < 2 km