| Middle River to Benavente | 3,532.65 mi (5,685.25 km) |
| Middle River to Bombarral | 3,506.96 mi (5,643.90 km) |
| Middle River to Bougado | 3,481.88 mi (5,603.55 km) |
| Middle River to Braga | 3,483.17 mi (5,605.62 km) |
| Middle River to Braganca | 3,556.21 mi (5,723.17 km) |
| Middle River to Cabeceiras de Basto | 3,502.99 mi (5,637.52 km) |
| Middle River to Cacem | 3,512.89 mi (5,653.46 km) |
| Middle River to Cadaval | 3,510.62 mi (5,649.80 km) |
| Middle River to Caldas da Rainha | 3,504.18 mi (5,639.43 km) |
| Middle River to Calheta | 3,283.54 mi (5,284.34 km) |
| Middle River to Camara de Lobos | 3,294.28 mi (5,301.64 km) |
| Middle River to Canico | 3,302.60 mi (5,315.02 km) |
| Middle River to Cantanhede | 3,505.79 mi (5,642.02 km) |
| Middle River to Carregal do Sal | 3,532.39 mi (5,684.84 km) |
| Middle River to Cartaxo | 3,528.48 mi (5,678.54 km) |
