3 Largest cities in UK,US,Germany,France&Italy: start with C

SOURCES: https://en.wikipedia.org/wiki/List_of_communes_in_France_with_over_20,000_inhabitants; https://en.wikipedia.org/wiki/List_of_cities_in_the_United_Kingdom; https://en.wikipedia.org/wiki/List_of_United_States_cities_by_population; https://en.wikipedia.org/wiki/List_of_cities_in_Italy; https://en.wikipedia.org/wiki/List_of_cities_in_Germany_by_population

UK: places granted city status by letters patent or royal charter; USA: incorporated places; Germany: Großstadt; France: Communes; Italy: comuni

NB Top 2 ONLY for Germany