According to an example aspect of the present invention, there is provided an apparatus comprising at least one receiver configured to receive a route indication specifying an initial point (110) and an end point of a route (120), and at least one processing core configured to determine a plurality of candidate routes (112, 114) based at least in part on the route indication and a privacy preference indication, and to determine for each of the plurality of candidate routes a privacy overhead route (112P, 114P).