The calculated distance (air line) between Duisburg and Marquette-lez-Lille is approximately 169 miles respectively 272 kilometers.
By car or train, the actual journey to Marquette-lez-Lille is certainly longer, as only the direct route (as the crow flies) between Duisburg and Marquette-lez-Lille has been calculated here.
Air line (approximately)
272 kilometers
147 nautical miles