High Quality Content by WIKIPEDIA articles! National Highway 13 (`NH 13), now renamed as NH 169 is a National Highway in India that runs from Solapur in Maharashtra to Mangalore in Karnataka. The total length of NH 13 is 691 km (429 mi). The original NH 13 ran from Solapur to Chitradurga at the intersection of NH 4. It has recently been extended to Mangalore.