Data can be filtered by using a radius from a certain location.  The nearby filter can be used by following these steps when creating a map:

  1. Click ‘Show Advanced Options
  2. Enable ‘directions & nearby filter‘ (see Image)
  3. Update or create the map, then save the map.

 

nearby filter option

To Use the nearby filter on the map follow these steps:

  1. Click ‘More Options‘ in the upper left
  2. Click the ‘Nearby‘ link
More Option button

 

Nearby Filter

 

Here is a sample map with nearby filter enabled:

A video to demo adding a radius filter and exporting