The calculated distance (air line) between Enkenbach-Alsenborn and Dortmund is approximately 142 miles respectively 228 kilometers.
By car or train, the actual journey to Dortmund is certainly longer, as only the direct route (as the crow flies) between Enkenbach-Alsenborn and Dortmund has been calculated here.
Air line (approximately)
228 kilometers
123 nautical miles