WGeodetic datumWPZ-90WCampus Martius ParkWCharing CrossWColumbus CircleWEl CapitolioWIberian Gate and ChapelWInitial pointWLondon StoneWMarco Zero (São Paulo)WMilionWMilliarium AureumWNihonbashiWNorth American DatumWCongressional PlazaWSouth American DatumWUmbilicus urbis RomaeWVertical Offshore Reference FramesWZero Kilometre StoneWZero Mile Stone (Nagpur)WZero Milestone
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