Metros in Europe 2019 (updated)

🇬🇧 Metro/subway system length in Europe

🇫🇷 Longueur des réseaux de métro en Europe

🇩🇪 Länge der U-Bahnnetze in Europa

System length of metros (subway systems) in Europe, 2019

Source:  https://en.m.wikipedia.org/wiki/List_of_metro_systems