WORM is at Boomgaardsstraat 71. The building actually fronts Witte de Withstraat, but the entrance is on the side.
By public transit
WORM is about 1.5km from Rotterdam Centraal Station. The nearest tram stop (Museumpark stop, #7) is 150m; the nearest metro is 300m (Eendrachtsplein).
Parking is €2-4/hour. Here’s a Parkopedia link of local garages/spaces. Note: Construction on Coolsingel and Schiedamsedijk may affect directions.
There are two low-cost options in the immediate neighbourhood.