aprox. 55 km from Landmannalaugar Hut to Langidalur Hut (or Volcano Huts). The most crowded trail on Iceland (200 person / per day) don't miss small (4km ) beautiful detour to Markarfljótsgljúfur Canyon : Markarfljótsgljúfur Canyon In july 2018 we walked from Rjupnavellir to Skogar 140 km . Hellismannaleid trail + The Laugavegur Trail + Fimmvörðuháls trail Wikiloc has got 25 waypoint limit :( . Full track with all waypoints (fords, streams,huts, interesting places, etc. ) you will find on google map in post link below: