The Location Settings screen can be accessed from the both the Main View and the List View by tapping on the Settings ‘gear’ icon.

From the Location Settings screen, you can set select a particular ‘area’ of the city to focus on, or ‘All’.  When ‘All’ is selected, all locations will be viewable and the the Distance Filter can be set.  The Distance filter controls which items will appear in the List View when the Close To Me tab is tapped, and which Locations are displayed in the Detail View based on their approximate distance from your current location.

You can also set the unit of measure to miles or kilometers (km).

Tapping the ‘Return’ button returns you to the screen you were viewing before entering Location Settings.