State Road 19 (SR 19) is a part of the Indiana State Road that runs between Noblesville and Elkhart in the US state of Indiana. The 143 miles (230.14 km) of SR 19 that lie within Indiana serve as a minor highway. Some of the highway is listed on the National Highway System. Various sections are urban four-lane highway and rural two-lane highway. The highway passes through farmland, residential and commercial properties.