The Rodovia Fernão Dias (official designation BR-381) is a federal highway which runs in the Brazilian states of São Paulo and southern region of Minas Gerais. In Atibaia, the Fernão Dias highway intersects the Dom Pedro I highway, which runs from Campinas to Jacareí. The highway is thus named in honour of Fernão Dias Paes Leme, a Brazilian explorer and "bandeirante" of the 17th century. It is 1,029 km long. Minas Gerais is one of the 26 states of Brazil, of which it is the second most populous, the third richest, and the fourth largest in area. Minas Gerais is the Brazilian state with the largest number of Presidents of Brazil, the current one, Dilma Rousseff, being one of them.