| Grottaferrata to Bombarral | 1,156.23 mi (1,860.77 km) |
| Grottaferrata to Bougado | 1,095.23 mi (1,762.60 km) |
| Grottaferrata to Braga | 1,085.98 mi (1,747.71 km) |
| Grottaferrata to Braganca | 998.72 mi (1,607.28 km) |
| Grottaferrata to Cabeceiras de Basto | 1,065.48 mi (1,714.72 km) |
| Grottaferrata to Cacem | 1,173.84 mi (1,889.11 km) |
| Grottaferrata to Cadaval | 1,154.03 mi (1,857.23 km) |
| Grottaferrata to Caldas da Rainha | 1,152.66 mi (1,855.03 km) |
| Grottaferrata to Calheta | 1,745.42 mi (2,808.98 km) |
| Grottaferrata to Camara de Lobos | 1,736.98 mi (2,795.40 km) |
| Grottaferrata to Canico | 1,732.40 mi (2,788.02 km) |
| Grottaferrata to Cantanhede | 1,109.40 mi (1,785.41 km) |
| Grottaferrata to Carregal do Sal | 1,077.57 mi (1,734.18 km) |
| Grottaferrata to Cartaxo | 1,139.31 mi (1,833.53 km) |
| Grottaferrata to Cascais | 1,180.87 mi (1,900.43 km) |
