With the Favorite Location feature, you can name addresses that you travel to often such as your Home, Office, Client Site, Grocery Store, Gym, etc. This makes it easier to identify your trips.
In addition to being able to set your Favorite Locations based on your drives, you can also manually add your Favorite Locations at any time.
To manually add a new Favorite Location:
Tap the gear icon on the right side of the screen of the Mileage tab
Tap "Favorite Locations" at the bottom of the screen
Tap the white plus button on the upper right hand corner of the screen
Enter the name and address of your Favorite Location
Tap the "Save" button in the upper right hand corner

If you’d like to set a rule for the Favorite Location you manually added:
Tap on the address in the Favorite Location screen
Tap "Create Rule"
Select whether you’d like to tag drives with that location as "Business" or "Personal"
Tap the "Save" button in the upper right hand corner