To calculate the route to a contact address open the contact in the detail view. In the Overview tab click on the button below the Address (business) field or the Address (private) field.
In the Route Planning dialog window the start address is prefilled with your business address. The target address contains the private or business address of the contact. You can leave the entered addresses or replace them with other addresses.
The default route planner is Google Maps. You can also select another route planner from the list.
To start the route planner click on Get directions. The result will be displayed in an extra browser window.