Changing departure and arrival addresses on TRAVO is easy. Using the full itinerary tab, input all the events that you anticipate for your itinerary and click the start button, a menu will appear that consists of a departure address, transportation type, flight class (if available), return address, and return date. Clicking the addresses will open boxes where you can change each field. By default, the start and return addresses will stay the same, unless you change the return address.
Travo also makes it very easy for you to change your departure and arrival addresses after you have already created your itinerary. In the calendar/itinerary overview, simply navigate to the trip navigation panel located to the left of the page. Click, the trip navigation tab to the right to add departure and arrival addresses.