| Port Royal to Benavente | 3,957.48 mi (6,368.95 km) |
| Port Royal to Bombarral | 3,933.13 mi (6,329.76 km) |
| Port Royal to Bougado | 3,922.63 mi (6,312.87 km) |
| Port Royal to Braga | 3,925.49 mi (6,317.47 km) |
| Port Royal to Braganca | 4,002.79 mi (6,441.87 km) |
| Port Royal to Cabeceiras de Basto | 3,945.86 mi (6,350.25 km) |
| Port Royal to Cacem | 3,935.42 mi (6,333.44 km) |
| Port Royal to Cadaval | 3,936.66 mi (6,335.45 km) |
| Port Royal to Caldas da Rainha | 3,931.32 mi (6,326.85 km) |
| Port Royal to Calheta | 3,641.13 mi (5,859.84 km) |
| Port Royal to Camara de Lobos | 3,652.16 mi (5,877.58 km) |
| Port Royal to Canico | 3,660.38 mi (5,890.81 km) |
| Port Royal to Cantanhede | 3,940.10 mi (6,340.98 km) |
| Port Royal to Carregal do Sal | 3,968.31 mi (6,386.37 km) |
| Port Royal to Cartaxo | 3,954.56 mi (6,364.26 km) |
