The longest river in Russia as of 2020 was the Lena River located in the East Siberia, whose length was measured at 4.4 thousand kilometers. The Irtysh River, flowing through Russia, China, and Kazakhstan, was 200 kilometers shorter, ranking second.
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Longest rivers in Russia as of 2020, by length
(in 1,000 kilometers)
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Ministry of Natural Resources and Environment of the Russian Federation. (December 13, 2021). Longest rivers in Russia as of 2020, by length (in 1,000 kilometers) [Graph]. In Statista. Retrieved June 20, 2025, from https://www.statista.com/statistics/1048091/longest-rivers-in-russia-by-length/
Ministry of Natural Resources and Environment of the Russian Federation. "Longest rivers in Russia as of 2020, by length (in 1,000 kilometers)." Chart. December 13, 2021. Statista. Accessed June 20, 2025. https://www.statista.com/statistics/1048091/longest-rivers-in-russia-by-length/
Ministry of Natural Resources and Environment of the Russian Federation. (2021). Longest rivers in Russia as of 2020, by length (in 1,000 kilometers). Statista. Statista Inc.. Accessed: June 20, 2025. https://www.statista.com/statistics/1048091/longest-rivers-in-russia-by-length/
Ministry of Natural Resources and Environment of the Russian Federation. "Longest Rivers in Russia as of 2020, by Length (in 1,000 Kilometers)." Statista, Statista Inc., 13 Dec 2021, https://www.statista.com/statistics/1048091/longest-rivers-in-russia-by-length/
Ministry of Natural Resources and Environment of the Russian Federation, Longest rivers in Russia as of 2020, by length (in 1,000 kilometers) Statista, https://www.statista.com/statistics/1048091/longest-rivers-in-russia-by-length/ (last visited June 20, 2025)
Longest rivers in Russia as of 2020, by length (in 1,000 kilometers) [Graph], Ministry of Natural Resources and Environment of the Russian Federation, December 13, 2021. [Online]. Available: https://www.statista.com/statistics/1048091/longest-rivers-in-russia-by-length/
