Monclova is located in Saltillo city, Mexico at the 26.9069, -101.4206 coordinates. Distance from Monclova to other cities. are listed below, click on the city name to find distance between. Distance from Monclova to Torreon 250 km, to Piedras Negras 218 km, to Ciudad Acuna 273 km. The green marker indicates the location of Monclova.