Główny Szlak Sudecki is a public hiking trail in Poland running along the Sudetes. The trail was constructed after WWII and extended to about 444km in about 2009.

 https://mapa-turystyczna.pl/trail/glowny-szlak-sudecki-im-mieczyslawa-o…

as well information about route can be found on wikipedia: https://pl.wikipedia.org/wiki/G%C5%82%C3%B3wny_Szlak_Sudecki

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

The London Outer Orbital Path — more usually the "London LOOP" — is a 150-mile (242 km) signed walk along public footpaths,^[1] and through parks, woods and fields around the edge of Outer London

A 200km linear park along an old train line, from Mont-Laurier to Saint-Jérôme.  https://www.laurentides.com/en/linearpark

The Twin Sisters peaks are the eastern-most peaks of Rocky Mountain National Park. The Western summit is the most frequented summit of the two but is the lower of the two. This route is an out and back peak climb. It is a total of 6.8 miles with around 2,200 feet of gain. The Western summit is at 11,413. The trail has recently been changed since the 2013 floods. 

There is a Strava segement of the route.