| Somma Lombardo to Campos del Puerto | 519.52 mi (836.09 km) |
| Somma Lombardo to Canals | 663.01 mi (1,067.02 km) |
| Somma Lombardo to Candelaria | 1,815.36 mi (2,921.54 km) |
| Somma Lombardo to Canet de Mar | 416.32 mi (670.00 km) |
| Somma Lombardo to Cangas | 898.74 mi (1,446.39 km) |
| Somma Lombardo to Cangas de Narcea | 770.40 mi (1,239.84 km) |
| Somma Lombardo to Canovellas | 426.23 mi (685.94 km) |
| Somma Lombardo to Canteras | 749.92 mi (1,206.88 km) |
| Somma Lombardo to Cantillana | 932.36 mi (1,500.49 km) |
| Somma Lombardo to Capdepera | 492.13 mi (792.00 km) |
| Somma Lombardo to Carballo | 872.33 mi (1,403.88 km) |
| Somma Lombardo to Carcagente | 649.88 mi (1,045.88 km) |
| Somma Lombardo to Cardedeu | 422.21 mi (679.48 km) |
| Somma Lombardo to Carlet | 647.27 mi (1,041.68 km) |
| Somma Lombardo to Carmona | 930.99 mi (1,498.28 km) |
