A distance of 100 kilometers is equivalent to approximately 62.14 miles. It is commonly used in various contexts, such as measuring distances between cities or in sports events like marathons. In many countries, especially those using the metric system, road signs indicate distances in kilometers. For example, a road trip from Paris to Lyon is about 460 kilometers, while a marathon is 42.195 kilometers long, making 100 kilometers a significant distance for endurance events.