Are there any walking/car/bike routes that go past the fountains?

Certainly! There are various routes that lead you to the eleven fountains.

Each fountain has its own walking route, among other options. You can find all the walking routes here. If you’re looking for an eleven fountains route that you can travel by car or motorcycle, take a look here. For cycling, it’s best to follow one of the well-known eleven cities routes. If you prefer to visit the eleven cities by boat, check out this boating route that covers all eleven cities.

You can find more routes along the eleven cities via this link.