Length of a Link, Connection or Path Length of a Link Connection or Path On this graph, the length of link (2,3) is 4 km, and the length of the path between 1 and 6 (1-4-5-6; 3 segments) is 15 km. Share this: Share on LinkedIn (Opens in new window) LinkedIn Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit