Mettmann is located in Dusseldorf city, Germany at the 51.2504, 6.9754 coordinates. Distance from Mettmann to other cities. are listed below, click on the city name to find distance between. Distance from Mettmann to Koeln 35 km, to Essen 23 km, to Dortmund 45 km. The green marker indicates the location of Mettmann.