Rodovia Marechal Cândido Rondon (officially designated SP-300) is a highway in the state of São Paulo, Brazil. It is one of the most recent highways of the state, and connects several cities, running in the North-Northwest direction, starting in Jundiai and serving the cities of Itu, Porto Feliz, Tietê, Laranjal Paulista, Conchas, Botucatu, São Manuel, Areiópolis, Lençois Paulista, Agudos, Bauru, Avaí, Lins, Penápolis, Birigui, Araçatuba, Andradina and Três Lagoas, until it reaches the border with the state of Mato Grosso do Sul, by the Paraná River. It is the second longest highway in São Paulo, with 620 km.