The calculated distance (air line) between Blénod-lès-Pont-à-Mousson and Lille is approximately 180 miles respectively 290 kilometers.
By car or train, the actual journey to Lille is certainly longer, as only the direct route (as the crow flies) between Blénod-lès-Pont-à-Mousson and Lille has been calculated here.
Air line (approximately)
290 kilometers
156 nautical miles