The calculated distance (air line) between Ilvesheim and Mönchengladbach is approximately 151 miles respectively 243 kilometers.
By car or train, the actual journey to Mönchengladbach is certainly longer, as only the direct route (as the crow flies) between Ilvesheim and Mönchengladbach has been calculated here.
Air line (approximately)
243 kilometers
131 nautical miles