The equivalent of 0.25 kilometers to centimeter is 25,000 centimeters. It is computed by converting first 0.25 km in to meters, with that 1 km has 1,000 meter and by that we could say that in 0.25 km there is 250 meter. THen converting meter into cm, with that 1 m has 100 cm, and by that 250 meters there is 25,000 cm.