| Soma to Collegno | 1,100.69 mi (1,771.39 km) |
| Soma to Cologno al Serio | 1,012.14 mi (1,628.87 km) |
| Soma to Cologno Monzese | 1,030.18 mi (1,657.91 km) |
| Soma to Colorno | 966.15 mi (1,554.88 km) |
| Soma to Comacchio | 877.56 mi (1,412.29 km) |
| Soma to Comiso | 723.63 mi (1,164.57 km) |
| Soma to Como | 1,045.29 mi (1,682.24 km) |
| Soma to Concordia Sagittaria | 876.72 mi (1,410.94 km) |
| Soma to Concorezzo | 1,028.90 mi (1,655.86 km) |
| Soma to Conegliano | 904.29 mi (1,455.32 km) |
| Soma to Conselice | 889.51 mi (1,431.53 km) |
| Soma to Conselve | 905.28 mi (1,456.91 km) |
| Soma to Conversano | 567.77 mi (913.74 km) |
| Soma to Copertino | 513.13 mi (825.80 km) |
| Soma to Copparo | 898.46 mi (1,445.93 km) |
