How far is Langtang from Kathmandu? HSJ Heli 1 min read The Langtang Valley sits about 60 km north of Kathmandu, making it one of the closer Himalayan helicopter destinations. Share: Twitter Facebook WhatsApp ← Previous article What makes Upper Mustang distinct from other Annapurna-region tours? Next article → What can I do at Kyanjin Gompa during the Langtang tour?