Highway 637 is a highway in the Canadian province of Saskatchewan. It runs from Highway 10 near Dunleath to Highway 8/Highway 49 near Norquay. Highway 637 is about 87 km (54 mi.) long. Highway 637 passes near the communities of Rhein, Dneiper, Veregin, and Fort Pelly. Highway 637 intersects Highways 309, 726, 5, and 754. References 637