| Tortona to Cividale del Friuli | 236.34 mi (380.35 km) |
| Tortona to Civita Castellana | 252.30 mi (406.04 km) |
| Tortona to Civitanova Marche | 265.41 mi (427.13 km) |
| Tortona to Civitavecchia | 242.66 mi (390.53 km) |
| Tortona to Civitella in Val di Chiana | 174.33 mi (280.55 km) |
| Tortona to Clusone | 86.25 mi (138.80 km) |
| Tortona to Coccaglio | 71.20 mi (114.58 km) |
| Tortona to Codigoro | 159.26 mi (256.30 km) |
| Tortona to Codogno | 44.92 mi (72.29 km) |
| Tortona to Codroipo | 212.65 mi (342.23 km) |
| Tortona to Cogoleto | 36.51 mi (58.76 km) |
| Tortona to Colle di Val d'Elsa | 152.63 mi (245.63 km) |
| Tortona to Colle Salvetti | 120.02 mi (193.16 km) |
| Tortona to Collecchio | 66.96 mi (107.76 km) |
| Tortona to Colleferro | 301.99 mi (486.01 km) |
