↑ Tajikistan's Fedchenko Glacier is 77 km long. Baltoro and Batura Glaciers in the Karakoram are 57 km long, as is Bruggen or Pio XI Glacier in southern Chile. Measurements are from recent imagery, generally supplemented with Russian 1:200,000 scale topographic mapping as well as Jerzy Wala,Orographical Sketch Map: Karakoram: Sheets 1 & 2, Swiss Foundation for Alpine Research, Zurich, 1990.
