1.   He weighed the risks of taking it against its usefulness in covering distance faster than a pair of legs.

2.   Migrating birds cover immense distances every winter.

3.   The discovery of lava flows that cover vast distances on the Moon provided an interesting clue to their composition.

4.   Their riders had then to cover long distances on foot, leading their mounts.

5.   During that time she covered a distance of eight miles.

6.   Now the Government has proposed to crack down on mileage allowances by taxing drivers who cover large distances.

7.   Customers can also arrange more convenient delivery times, because smaller vans are covering shorter distances.

8.   Esther crossed north into Malawi, through Zambia, covering a distance of several hundred miles.

9.   Lewis concedes that strict statisticians would consider this comparison skewed because far more passengers fly on the big jets, and the flights typically cover greater distances.