30 km/hr is about 19 mph.
The world goes about 30km/s in its orbit.
good question the answer is 30km per hour
max's out at 30km/h
30km to 40km this machine can go.
At around 30km per second.
If in the snow with studded tyres, you are probably safe with about 30km/h (about 20mph).
30km are 30000meters
30km is 30000m, so it is 100 times bigger than 300m.
three
30000 m
30km
3