How big is one kilometers?

Answer 1

Until 1983, it was (1 / 10,000) of the distance from the north pole to the equator along the meridian that runs through Paris, France. Now it is about (1 / 300,000) of the distance that light travels in one second.

In other words, it is just about 1.609 miles. ■

Answer 2

It's as big as 0.6214 mile. (rounded)