What is 0.621371 miles equivalent to in metric units?

To determine the metric equivalent of 0.621371 miles, we can use the conversion factor that 1 mile is approximately equal to 1.60934 kilometers. By multiplying 0.621371 miles by this conversion factor, we find that:

0.621371 miles × 1.60934 km/mile = approximately 1 kilometer.

Therefore, 0.621371 miles is equivalent to about 1 kilometer. This makes the choice of kilometers the correct option, as it directly relates to the metric system and reflects the appropriate conversion from miles to metric units.

The other options, such as meters, centimeters, and inches, do not represent the correct metric conversion of miles and would not yield the expected value when converting from miles to the metric system. Each of those units represents different scales of measurement, with meters being a larger unit than kilometers, centimeters being a smaller one, and inches being an entirely different unit of length used in the Imperial system.