Google maps and Apple maps all work like SNCF. The first thing you enter is your destination and then you can optionally change the point of departure if it is not your current or default location.
I would say this is a pretty familiar and useful pattern in general: Necessary and mandatory info first, optional data which has sensible defaults later.
I would say this is a pretty familiar and useful pattern in general: Necessary and mandatory info first, optional data which has sensible defaults later.