Top 5 in Top 10 longest canals in the world.
Channel Length: 128.1 km
This is a huge and complex irrigation work. There are large dams, water pumping stations, drains, river tunnels, 8 hydro-electric stations... The establishment of the Moscow canal shortened the cruise distance between Moscow and Nizhny Novgorod, Moscow and St. Petersburg respectively 110 km and 1,100 km away.