WordNet (r) 3.0 (2006):

km
    n 1: a metric unit of length equal to 1000 meters (or 0.621371
         miles) [syn: kilometer, kilometre, km, klick]

V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

KM
       Knowledge Management


The Free On-line Dictionary of Computing (30 December 2018):

km

    The country code for Comoros.

   (1999-01-27)