OKM Views 5 meanings found OKM can signify a simple distance conversion, the code for Okmulgee Airport in Oklahoma, a German positioning technology firm, a historic mill, or a statistical clustering method. Miscellaneous Old Keene Mill Overlapping K Means Academic & Science Opproximation of Killometers and Miles Regional Okmulgee Airport, Okmulgee, Oklahoma USA Business Ortungstechnik Krauss & Mueller