Grefrath is located in Dusseldorf city, Germany at the 51.3363, 6.3407 coordinates. Distance from Grefrath to other cities. are listed below, click on the city name to find distance between. Distance from Grefrath to Koeln 62 km, to Essen 48 km, to Dortmund 81 km. The green marker indicates the location of Grefrath.