The dim: parameter defines the diameter of a viewing circle centered on the coordinate. While the default unit of measurement is metres, the km suffix may be appended to indicate kilometres.

GeoHack uses dim: to select a map scale such that the viewing circle appears roughly 10 സെന്റിമീറ്റർ (4 ഇഞ്ച്) in diameter on a 72 dpi computer monitor. If no dim:, type:, or scale: parameters are provided, GeoHack uses its default viewing circle of 30 കിലോമീറ്റർ (19 മൈ).

Samples
Subject View diameter Markup Result
Western Hemisphere 10,000 കിലോമീറ്റർ (6,200 മൈ) {{coord|0|N|90|W|dim:10000km}} ലുവ പിഴവ്: callParserFunction: function "#coordinates" was not found.
Ohio 400 കിലോമീറ്റർ (250 മൈ) {{coord|40.5|-82.5|dim:400km}} ലുവ പിഴവ്: callParserFunction: function "#coordinates" was not found.
Dresden 20,000 മീറ്റർ (12 മൈ) {{coord|51.03|13.73|dim:20000}} ലുവ പിഴവ്: callParserFunction: function "#coordinates" was not found.
Statue of Liberty 100 മീറ്റർ (330 അടി) {{coord|40.6892|-74.0445|dim:100}} ലുവ പിഴവ്: callParserFunction: function "#coordinates" was not found.
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