The calculated distance (air line) between Ludweiler-Warndt and Düsseldorf is approximately 138 miles respectively 223 kilometers.
By car or train, the actual journey to Düsseldorf is certainly longer, as only the direct route (as the crow flies) between Ludweiler-Warndt and Düsseldorf has been calculated here.
Air line (approximately)
223 kilometers
120 nautical miles