Km

This car is going 60km an hour.

In towns, speed is limited to 50 km/h.

The city expanded the bus route 10Km further.

The new bridge will be as long as 1.5 km.

I heard that the distance between Tokyo and Osaka is about 10 km.

They fly about 35,000 km in eight months.

Vatican City with its 0.44 km² is the world's smallest state.

The radius of the Earth is 6400 km.

The Yangtze, at 6,380 km, is Asia's longest river.

Aurora Borealis, or the "northern lights", occurs 80 to 160 km (50 to 100 miles) above the earth when energetic particles from a solar storm cause the gases in the upper atmosphere to glow. Auroras can last between a few minutes to several hours. It's common across Alaska and northern Canada.