After the reservoir, Route 108 bends northward, becoming a two-lane residential street as it winds northward through the town of South Kingstown. The route crosses Curtis Corner Road and becomes a commercial street once again, which quickly switches back to residences. The route soon bends northward entering the village of Kingston. In Kingston, Route 108 retains its Kingstown Road name, becoming a two-lane residential street before intersecting with Route 138 (Mooresfield Road) in the center of the village. This intersection serves as the northern terminus of Route 108, while the Kingstown Road name continues west on Route 138.