[wolfgarbe]

List of long-distance footpaths

https://en.wikipedia.org/wiki/List_of_long-distance_footpath...

https://en.wikipedia.org/wiki/List_of_longest_cross-country_...

https://en.wikipedia.org/wiki/Long-distance_trail

https://en.wikipedia.org/wiki/List_of_long-distance_hiking_t...

https://en.wikipedia.org/wiki/Long-distance_trails_in_the_Un...

https://en.wikipedia.org/wiki/GR_footpath

First, you think you have a neat idea, but minutes later you have a Herculean task at hand ;)

[ghaff]

OT, but "Long-distance trails in the United States" is a great example of how Wikipedia lists tend to spiral out of control. It includes "long distance" trails that go down to a 26 mile loop trail around a lake.

[paulownia]

And again some from Wikipedia in Europe: https://en.wikipedia.org/wiki/European_long-distance_paths