Path length is a term that is often used to describe the distance between two points, but there are a variety of different synonyms that can be used to describe this concept. Some common alternatives include distance, route length, traversal distance, line length, and way length. Other related terms may include path distance, path length calculation, and path length optimization. These phrases are all useful for describing the length of a path or route, and they can be particularly helpful for those who work in fields such as geography, mapping, or transportation. Ultimately, the most important thing is to choose the synonym that best fits the context and purpose of the discussion at hand.