From Aachen West train to Heerlen then train to Sittard. 54 min 19€. From Aachen, Driescher Gässchen bus to Heerlen, Busstation Perron B then line 40 bus to Sittard, Stadhuis. 1 h 46 min 7€. From Aachen drive to Sittard. 29 min 6€.
German Railways (DB) operates a train from Aachen to Sittard every 30 minutes. Tickets cost $9 - $14 and the journey takes 26 min. Dutch Railways (NS) also services this route every 30 minutes. Alternatively, ASEAG operates a bus from Aachen to Sittard hourly, and the journey takes 43 min. 2 other operators also service this route.