| Soma to Celano | 762.46 mi (1,227.06 km) |
| Soma to Cento | 919.95 mi (1,480.52 km) |
| Soma to Cepagatti | 740.84 mi (1,192.27 km) |
| Soma to Ceprano | 758.64 mi (1,220.91 km) |
| Soma to Cercola | 710.29 mi (1,143.11 km) |
| Soma to Cerea | 933.93 mi (1,503.01 km) |
| Soma to Cerese | 951.78 mi (1,531.74 km) |
| Soma to Cerignola | 633.60 mi (1,019.68 km) |
| Soma to Cermenate | 1,042.92 mi (1,678.42 km) |
| Soma to Cernusco sul Naviglio | 1,027.39 mi (1,653.43 km) |
| Soma to Cerreto Guidi | 919.80 mi (1,480.27 km) |
| Soma to Cerro Maggiore | 1,046.80 mi (1,684.67 km) |
| Soma to Certaldo | 908.48 mi (1,462.05 km) |
| Soma to Cerveteri | 835.27 mi (1,344.23 km) |
| Soma to Cervia | 859.33 mi (1,382.96 km) |
