1、公里的英文缩写是km，全拼是 Kilometer 。

2、双语例句：The Allied line had been pushed forward, at the furthest, about 1.6 km.盟军的阵线已经向前推进，最远的部队前进了约１．６公里。the bank reaches a maximum breadth of about 100 km.河岸最宽处达１００公里左右。