Cologne - Dortmund driving directions - journey, distance, time and costs – ViaMichelin
Bahnstrecke Elberfeld–Dortmund – Wikipedia
تويتر \ ALLRAIL Alliance of Rail New Entrants in Europe على تويتر: "New routes in Germany: #FlixTrain will soon be serving 40 stations and offering double the network that it did before
File:TEE Moliere.svg - Wikimedia Commons
List of Intercity-Express lines in Germany - Wikipedia
Entfernung Köln (Nordrhein-Westfalen) » Dortmund: Kilometer (Luftlinie & Strecke)