To 12 ports; the busiest crossings are to Tonantins (30 minutes, six times a week), Amaturá (1 hour 35 minutes, six times a week), Jutaí (3 hours 15 minutes, six times a week), São Paulo de Olivença (3 hours 25 minutes, six times a week), Fonte Boa (6¼ hours, six times a week), Benjamin Constant (7½ hours, six times a week), Tabatinga (8½ hours, six times a week) and Alvarães (10¼ hours, six times a week).