Viamao is located in Porto Alegre city, Brazil at the -30.0811, -51.0233 coordinates. Distance from Viamao to other cities. are listed below, click on the city name to find distance between. Distance from Viamão to Caxias do Sul 103 km, to Canoas 24 km, to Pelotas 226 km. The green marker indicates the location of Viamão.