Distance and latitude/longitude coordinates are displayed when you mouse over the map. The origin for distance measuring is indicated by a red dot and defaults to either your location, if specified and in range, or the location of the radar/the centre of the map. The origin may be changed by clicking elsewhere on the map.
12:37 AEST Parts of South Australia, Victoria and New South Wales woke up to dense fog on Sunday morning, with further morning fog likely in the coming days. Visibility plunged to 100m or below in parts of the three states.