For the needs of your operations, for security or even for preference, you can use the coordinates as the location of your stops. Here's how to use them in Planner:
How to load coordinates
Include in your Excel file the coordinates of your stops. Write the coordinates separated by a comma, for example, "24.06105,-16.58177"
Upload your Excel file in Stops: Stops, Add Stop, Upload Excel, Select a file.
When loading Excel, in the address field, map the data with your coordinates.