title: $:/plugins/tiddlywiki/geospatial/docs/geodistance
caption: geodistance operator
tags: $:/tags/GeospatialDocs

!! `geodistance` operator

The `geodistance` operator calculates the distance between two points in [[GeoJSON Point Feature]] format. The points are specified as two operands. An optional third operand specifies the units as `miles`, `kilometers`, `degrees` or `radians` (defaults to `miles`).

```
<$let
	oxford={{{ [geopoint[51.751944],[-1.257778]] }}}
	new-york={{{ [geopoint[40.730610],[-73.935242]] }}}
>
<$text text={{{ [geodistance<oxford>,<new-york>] }}}/>,
<$text text={{{ [geodistance<oxford>,<new-york>,[miles]] }}}/>,
</$let>
```