Fede suffers from morbid obesity and lives enclosed among four walls. When his brother-in-law Ramón shows him a camera, Fede also wants one. During a trip to the camera shop he meets Paulo, a lonely teenager who loves comic books. The three of them form a friendship that completely changes their lives. Walking Distance is a urban fairy-tale about Fede, a man who weighs 200kg, which is causing him difficulties to move around his house. When he finds an old photographic film, he decides to have it developed and thus to go out of his house. In the photographic lab Fede meets Paulo, a solitary comics lover who sells him a used camera. While spending time with his brother-in-law Ramon and Paulo, Fede discovers that photography is more than just a hobby. A friendship between the three men grows, changing their lives forever.