---
title: radius
framework: mapkitjs
role: symbol
role_heading: Instance Property
path: mapkitjs/coordinateregion/radius
---

# radius

The distance provided in meters or the longest distance derived from the center point to the region’s bounding box.

## Declaration

```data
get radius(): number;
```

## Discussion

Discussion When fetching points of interest with a region, you may compare this value with MaxRadius to determine if this region is larger than the maximum available radius for a points-of-interest search.