If you live in London or close enough to visit then the Transport for London (TFL) website offers a great walking route planner. Some of the key features include:
Location - Using the TFL site you are able to select the London borough in which you live. You will then be presented with a collection of walking routes that start or end in your chosen borough. Tip: You could also use the sites journey planner, which will tell you how to get to the walking routes starting location using the public transport available.
Distance - A useful feature to help you find a suitable route is the distance selector. The routes distance is critical as it will determine how long you need to set aside to complete the route. The distance range options are 0 - 4 miles, 4 to 8 miles and over 8 miles.
Scenery - In addition to selecting your starting borough and route distance you can also specify the type of scenery that you hope to enjoy along your walking route. The TFL site allows you to search for routes that are within an urban landscape, along a waterside or within parkland.
Another great feature provided by this walking route planner is the option to filter routes that show accessibility details. Each travel route can also include a map to help you plan the route. In fact some of the routes are split into larger circuits. This will give you a goal and variety that can be enjoyed over several months. The 'Capital Ring' is one such route that is 78 miles in total and circles the whole of central London, encompassing 15 individual routes.