The calculated distance (air line) between Wennigsen and Mönchengladbach is approximately 154 miles respectively 247 kilometers.
By car or train, the actual journey to Mönchengladbach is certainly longer, as only the direct route (as the crow flies) between Wennigsen and Mönchengladbach has been calculated here.
Air line (approximately)
247 kilometers
133 nautical miles