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