Leave the highway A33 at exit 27 "Paderborn-Zentrum". Turn right on B64 and follow the signs to "Universität". After 4 km leave the B64 at exit "Universität". At the stop sign turn left on B68 in the direction of Paderborn. At the second intersection (Warburger Str./Südring) turn left on "Südring". After 400m leave "Südring" to the right and turn on "Pohlweg". After 100m turn left on "Mersinweg". Building W is now on the left-hand side.

From Paderborn central station take the bus line 4 (direction: "Dahl"), 9 (direction: "Kaukenberg") or UNI (direction: "Uni/Südring") and exit at station "Uni/Südring" (total travel time from main station: about 10 to 15 minutes).

 From airport Paderborn/Lippstadt take the bus line 400 or 460 to "Paderborn Hbf." (Paderborn main station). From Paderborn main station take the bus line 4 (direction: "Dahl"), 9 (direction: "Kaukenberg") or UNI (direction: "Uni/Südring") and exit at station "Uni/Südring". From there it's a five-minute walk to building W (total travel time from airport: about 70 minutes).