Where was The Train (1973) filmed?

1973 Franco–Italian film directed by Pierre Granier-Deferre

The Train (1973) was filmed in Paris, La Rochelle, Moulins, Ardennes, Langres, Chaumont-sur-Loire and 4 more places, 10 places named in its Wikipedia article, in France, Belgium. Wikidata records no filming location for it at all, so the article is the only recorded source. Each place says where its claim comes from.

See them on the map → Wikipedia Source data