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