| Clay to Benavente | 4,211.64 mi (6,777.98 km) |
| Clay to Bombarral | 4,186.31 mi (6,737.22 km) |
| Clay to Bougado | 4,164.91 mi (6,702.78 km) |
| Clay to Braga | 4,166.53 mi (6,705.38 km) |
| Clay to Braganca | 4,240.43 mi (6,824.32 km) |
| Clay to Cabeceiras de Basto | 4,186.48 mi (6,737.48 km) |
| Clay to Cacem | 4,191.16 mi (6,745.02 km) |
| Clay to Cadaval | 4,189.94 mi (6,743.06 km) |
| Clay to Caldas da Rainha | 4,183.81 mi (6,733.20 km) |
| Clay to Calheta | 3,933.34 mi (6,330.10 km) |
| Clay to Camara de Lobos | 3,944.26 mi (6,347.67 km) |
| Clay to Canico | 3,952.54 mi (6,361.00 km) |
| Clay to Cantanhede | 4,187.35 mi (6,738.88 km) |
| Clay to Carregal do Sal | 4,214.37 mi (6,782.37 km) |
| Clay to Cartaxo | 4,207.83 mi (6,771.85 km) |
