| Sona to Cividale del Friuli | 133.51 mi (214.86 km) |
| Sona to Civita Castellana | 230.54 mi (371.01 km) |
| Sona to Civitanova Marche | 205.51 mi (330.73 km) |
| Sona to Civitavecchia | 235.30 mi (378.68 km) |
| Sona to Civitella in Val di Chiana | 145.99 mi (234.95 km) |
| Sona to Clusone | 52.78 mi (84.95 km) |
| Sona to Coccaglio | 42.37 mi (68.19 km) |
| Sona to Codigoro | 75.04 mi (120.77 km) |
| Sona to Codogno | 58.00 mi (93.34 km) |
| Sona to Codroipo | 109.82 mi (176.73 km) |
| Sona to Cogoleto | 129.05 mi (207.69 km) |
| Sona to Colle di Val d'Elsa | 141.27 mi (227.34 km) |
| Sona to Colle Salvetti | 127.84 mi (205.73 km) |
| Sona to Collecchio | 55.98 mi (90.09 km) |
| Sona to Colleferro | 277.99 mi (447.39 km) |
