The 900-mile (1,448 km) Idaho Centennial Trail (ICT) is a scenic trail through Idaho. It winds its way through various ecosystems from high desert canyonlands in southern Idaho to wet mountain forests in Northern Idaho. ICT travelers will cross many mountains, streams and rivers in between.
- via Wikipedia (https://en.wikipedia.org/wiki/Idaho_Centennial_Trail)

King's Way or the Allan King Way is a 45-mile-long-distance (72 km) footpath in Hampshire, England. This footpath was created by the Hampshire Area of the Ramblers' Association as a memorial to the late Allan King a former Publicity Officer who was partly responsible for the formation of a number of Groups in Hampshire. The route runs from Portchester to Winchester via Bishops Waltham and passes by sites such as Portchester Castle, Fort Nelson and Bishops Waltham Palace
 

Patrick Martin submitted this 320-mile Route which circumnavigates the San Francisco Bay mostly via the Bay Area Ridge Trail.

This is a complete loop of the São Miguel island with a total of about 230km.  Mostly trails, passing through small towns on the way.