Rajang River
Common treeshrews are probably present throughout the lowlands and hills up to in the Kelabit Highlands of Borneo. The subspecies "T. g. longipes" occurs in the north of Borneo, in Sarawak, and in East Kalimantan, including Sabah. The subspecies "T. g. salatana" occurs in the south of Rajang River and Kayan River in Borneo.