In Sobipro Radius Search application you can use the concept of sales area. This is a radius around each entry defined by the entry creator (admin or user).
Bellow you see the Sobipro main search page, and the radius search inputs just bellow the orange text. In the result list you will see a list of cities, and into the vCards the distance of the entry from the center point.
This directory contains a list of entries in the whole USA.
Enter a city like Pompano beach FL into the radius search, and select a distance of 2.5mi.
The entries in the radius are displayed like 1,8mi, 1,9mi, ..., and entries that in the sales area radius are displayed as 2,5+0,1mi or 2,5+0,3mi, ... this is a setting, you can also set the display as 2,6mi, 2,8mi:
You can see that no entries are into the given radius, but entries have they sales area that intersets. The Radius search application do not contains any maps, but is compatible with Geocode Factory maps, and Sobipro maps. The map bellow is a capture to illustrate the given sample search.