| Soma to Cassina de' Pecchi | 1,025.86 mi (1,650.96 km) |
| Soma to Cassino | 741.94 mi (1,194.04 km) |
| Soma to Castagneto Carducci | 924.36 mi (1,487.61 km) |
| Soma to Castano Primo | 1,054.15 mi (1,696.48 km) |
| Soma to Castel Bolognese | 886.68 mi (1,426.98 km) |
| Soma to Castel Gandolfo | 804.71 mi (1,295.06 km) |
| Soma to Castel Goffredo | 970.13 mi (1,561.27 km) |
| Soma to Castel Maggiore | 912.39 mi (1,468.35 km) |
| Soma to Castel Mella | 989.70 mi (1,592.76 km) |
| Soma to Castel San Giorgio | 691.56 mi (1,112.96 km) |
| Soma to Castel San Giovanni | 1,012.83 mi (1,629.99 km) |
| Soma to Castel San Pietro Terme | 898.64 mi (1,446.23 km) |
| Soma to Castel Volturno | 733.98 mi (1,181.23 km) |
| Soma to Castelbuono | 734.29 mi (1,181.72 km) |
| Soma to Casteldaccia | 763.13 mi (1,228.14 km) |
