| Seini to Benavente | 1,707.38 mi (2,747.77 km) |
| Seini to Bombarral | 1,712.99 mi (2,756.79 km) |
| Seini to Bougado | 1,616.75 mi (2,601.91 km) |
| Seini to Braga | 1,603.73 mi (2,580.96 km) |
| Seini to Braganca | 1,518.96 mi (2,444.53 km) |
| Seini to Cabeceiras de Basto | 1,585.56 mi (2,551.71 km) |
| Seini to Cacem | 1,737.78 mi (2,796.68 km) |
| Seini to Cadaval | 1,711.67 mi (2,754.67 km) |
| Seini to Caldas da Rainha | 1,707.21 mi (2,747.48 km) |
| Seini to Calheta | 2,338.02 mi (3,762.68 km) |
| Seini to Camara de Lobos | 2,330.78 mi (3,751.03 km) |
| Seini to Canico | 2,327.31 mi (3,745.44 km) |
| Seini to Cantanhede | 1,650.21 mi (2,655.76 km) |
| Seini to Carregal do Sal | 1,619.89 mi (2,606.97 km) |
| Seini to Cartaxo | 1,700.07 mi (2,735.99 km) |
