As a Canadian born using the metric system... I struggle to understand the point you are attempting to make. KMs is used all the time.. some people might writ

As a Canadian born using the metric system... I struggle to understand the point you are attempting to make. KMs is used all the time.. some people might write "just a few clicks" or "just a few KMs". www.google.com/search?q="just+a+few+kms+away" are you annoyed because they made it plural?