---
title: geo.stDistance() function
description: >
  `geo.stDistance()` returns the distance from a given region to a specified GIS geometry.
menu:
  flux_v0_ref:
    name: geo.stDistance
    parent: experimental/geo
    identifier: experimental/geo/stDistance
weight: 201
flux/v0/tags: [geotemporal]
introduced: 0.78.0
---

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`geo.stDistance()` returns the distance from a given region to a specified GIS geometry.

`geo.stDistance` is used as a helper function for `geo.ST_Distance()`.

##### Function type signature

```js
(geometry: A, region: B, units: {distance: string}) => float where A: Record, B: Record
```

{{% caption %}}
For more information, see [Function type signatures](/flux/v0/function-type-signatures/).
{{% /caption %}}

## Parameters

### region
({{< req >}})
Region to test. Specify record properties for the shape.



### geometry
({{< req >}})
GIS geometry to test. Can be either point or linestring geometry.



### units
({{< req >}})
Record that defines the unit of measurement for distance.