| Ovada to Cividale del Friuli | 253.28 mi (407.61 km) |
| Ovada to Civita Castellana | 248.60 mi (400.09 km) |
| Ovada to Civitanova Marche | 269.29 mi (433.38 km) |
| Ovada to Civitavecchia | 236.33 mi (380.33 km) |
| Ovada to Civitella in Val di Chiana | 174.34 mi (280.57 km) |
| Ovada to Clusone | 106.81 mi (171.89 km) |
| Ovada to Coccaglio | 91.08 mi (146.58 km) |
| Ovada to Codigoro | 170.84 mi (274.94 km) |
| Ovada to Codogno | 63.08 mi (101.52 km) |
| Ovada to Codroipo | 229.52 mi (369.38 km) |
| Ovada to Cogoleto | 17.26 mi (27.78 km) |
| Ovada to Colle di Val d'Elsa | 150.32 mi (241.91 km) |
| Ovada to Colle Salvetti | 116.00 mi (186.68 km) |
| Ovada to Collecchio | 77.50 mi (124.73 km) |
| Ovada to Colleferro | 297.89 mi (479.40 km) |
