Wilnsdorf is located in North Rhine-Westphalia, in the southernmost tip of the Siegerland region. If you drive on the federal highway A 45 ("Sauerlandlinie") in the direction of Dortmund or Frankfurt and also pass Herborn and Siegen, you will pass Wilnsdorf and the highway exit of the same name. Furthermore, the federal highway 54 leads through Wilnsdorf.
Those who are not motorized can also reach Wilnsdorf by bus and train. On the one hand, there is a train station in the district of Rudersdorf, on the other hand, there is an active bus service between the community of Wilnsdorf and the city of Siegen (105,000 inhabitants), which is only 10 km away.