| Oneonta to Cividale del Friuli | 4,146.63 mi (6,673.36 km) |
| Oneonta to Civita Castellana | 4,244.16 mi (6,830.32 km) |
| Oneonta to Civitanova Marche | 4,262.64 mi (6,860.05 km) |
| Oneonta to Civitavecchia | 4,225.28 mi (6,799.92 km) |
| Oneonta to Civitella in Val di Chiana | 4,172.94 mi (6,715.69 km) |
| Oneonta to Clusone | 4,010.66 mi (6,454.54 km) |
| Oneonta to Coccaglio | 4,022.92 mi (6,474.27 km) |
| Oneonta to Codigoro | 4,138.16 mi (6,659.72 km) |
| Oneonta to Codogno | 4,025.47 mi (6,478.37 km) |
| Oneonta to Codroipo | 4,133.04 mi (6,651.48 km) |
| Oneonta to Cogoleto | 4,007.35 mi (6,449.21 km) |
| Oneonta to Colle di Val d'Elsa | 4,148.70 mi (6,676.69 km) |
| Oneonta to Colle Salvetti | 4,113.72 mi (6,620.39 km) |
| Oneonta to Collecchio | 4,061.40 mi (6,536.19 km) |
| Oneonta to Colleferro | 4,291.51 mi (6,906.52 km) |
