1 . Mile (mi) –
           The mile is a unit of length used in the imperial and United States customary systems of measurement.
          There are two main types of miles: the statute mile and the nautical mile.
         The statute mile is used for measuring land distances and is defined as 5,280 feet or approximately 1.60934 kilometers.
         The nautical mile is used in navigation and is defined as one minute of latitude.
2 . Kilometer (km) –
             The kilometer is a unit of length in the metric system, which is the standard system of measurement used in most countries around the world.
         The kilometer is defined as 1,000 meters.
        Kilometers are commonly used in scientific, everyday, and international contexts for measuring distances.