| Somma Lombardo to Bombarral | 1,009.11 mi (1,624.01 km) |
| Somma Lombardo to Bougado | 913.31 mi (1,469.82 km) |
| Somma Lombardo to Braga | 900.62 mi (1,449.41 km) |
| Somma Lombardo to Braganca | 815.21 mi (1,311.95 km) |
| Somma Lombardo to Cabeceiras de Basto | 882.12 mi (1,419.63 km) |
| Somma Lombardo to Cacem | 1,034.54 mi (1,664.93 km) |
| Somma Lombardo to Cadaval | 1,007.87 mi (1,622.02 km) |
| Somma Lombardo to Caldas da Rainha | 1,003.19 mi (1,614.47 km) |
| Somma Lombardo to Calheta | 1,637.57 mi (2,635.41 km) |
| Somma Lombardo to Camara de Lobos | 1,630.68 mi (2,624.33 km) |
| Somma Lombardo to Canico | 1,627.52 mi (2,619.25 km) |
| Somma Lombardo to Cantanhede | 945.84 mi (1,522.18 km) |
| Somma Lombardo to Carregal do Sal | 915.54 mi (1,473.41 km) |
| Somma Lombardo to Cartaxo | 996.61 mi (1,603.90 km) |
| Somma Lombardo to Cascais | 1,042.10 mi (1,677.10 km) |
