The calculated distance (air line) between Altlußheim and Mönchengladbach is approximately 159 miles respectively 255 kilometers.
By car or train, the actual journey to Mönchengladbach is certainly longer, as only the direct route (as the crow flies) between Altlußheim and Mönchengladbach has been calculated here.
Air line (approximately)
255 kilometers
138 nautical miles