No, you can decide yourself which favourites you want to have on your start screen. Save all the addresses you need to your phone as favourites, and only the most important ones on the start screen. This way, the start screen doesn't get too crowded.
To save a place as a favourite:
1. Search for the place, then select it from the list of suggested matches.2. Select the star icon.
To pin a favourite to the start screen:
1. To go to the Favourites view, select the options icon, then select Favourites.2. Select and hold the place, then select Pin to start.