200 kilometers is a unit of distance that is equal to 200,000 meters. It is commonly used in various contexts, such as measuring distances between cities or in sports events like marathons. For reference, 200 kilometers is approximately 124.3 miles. To visualize this distance, consider that driving at a speed of 100 kilometers per hour would take about two hours to cover 200 kilometers. This distance is also comparable to the length of some major highways or the distance between two large cities in many countries.