ALDI – Johnstone – Opening Hours & Store Details ALDI sits on Patons Mill RP, High St, a 0.19 mile driving distance west from the centre of Johnstone (accessible from A737). This supermarket is situated in a convenient location for customers from Johnstone Castle, Kilbarchan, Brookfield, Elderslie, Johnstone Town Centre and Linwood. This page includes information for ALDI Johnstone, including the open hours, place of business address and email address.