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The distance between Boulogne-Billancourt and the centre of Paris is approximately 5 miles (8 kilometres). Boulogne-Billancourt is a suburban commune located southwest of Paris, situated in the Hauts-de-Seine department of the Île-de-France region. The city centre of Paris, often referred to as the "centre" or "Central Paris," is typically considered the area around the Île de la Cité, where the Notre-Dame Cathedral and the Louvre Museum are situated.