The calculated distance (air line) between L'Haÿ-les-Roses and Lille is approximately 132 miles respectively 213 kilometers.
By car or train, the actual journey to Lille is certainly longer, as only the direct route (as the crow flies) between L'Haÿ-les-Roses and Lille has been calculated here.
Air line (approximately)
213 kilometers
115 nautical miles