| Omegna to Cividale del Friuli | 241.74 mi (389.05 km) |
| Omegna to Civita Castellana | 317.28 mi (510.61 km) |
| Omegna to Civitanova Marche | 316.78 mi (509.81 km) |
| Omegna to Civitavecchia | 310.73 mi (500.06 km) |
| Omegna to Civitella in Val di Chiana | 235.32 mi (378.70 km) |
| Omegna to Clusone | 74.22 mi (119.45 km) |
| Omegna to Coccaglio | 78.86 mi (126.91 km) |
| Omegna to Codigoro | 194.02 mi (312.25 km) |
| Omegna to Codogno | 80.07 mi (128.86 km) |
| Omegna to Codroipo | 219.82 mi (353.76 km) |
| Omegna to Cogoleto | 103.52 mi (166.60 km) |
| Omegna to Colle di Val d'Elsa | 217.42 mi (349.90 km) |
| Omegna to Colle Salvetti | 187.49 mi (301.74 km) |
| Omegna to Collecchio | 117.50 mi (189.10 km) |
| Omegna to Colleferro | 367.08 mi (590.76 km) |
