How to Use "kilometre" with Example Sentences

1. The darien gap is an 87 kilometre rainforest break .
2. Pipelines cost million of dollars a kilometre to build .
3. Every donut will carry you one kilometre .
4. Because of the threat of mines , it can take four hours to cross a kilometre .
5. In one month , dust fall can reach as much as 17kg per square kilometre .