| Riverdale to Cividale del Friuli | 4,930.93 mi (7,935.56 km) |
| Riverdale to Civita Castellana | 5,016.91 mi (8,073.94 km) |
| Riverdale to Civitanova Marche | 5,040.12 mi (8,111.30 km) |
| Riverdale to Civitavecchia | 4,996.52 mi (8,041.13 km) |
| Riverdale to Civitella in Val di Chiana | 4,948.19 mi (7,963.34 km) |
| Riverdale to Clusone | 4,790.96 mi (7,710.30 km) |
| Riverdale to Coccaglio | 4,802.36 mi (7,728.65 km) |
| Riverdale to Codigoro | 4,917.94 mi (7,914.66 km) |
| Riverdale to Codogno | 4,803.45 mi (7,730.41 km) |
| Riverdale to Codroipo | 4,916.58 mi (7,912.47 km) |
| Riverdale to Cogoleto | 4,781.72 mi (7,695.43 km) |
| Riverdale to Colle di Val d'Elsa | 4,923.14 mi (7,923.03 km) |
| Riverdale to Colle Salvetti | 4,887.93 mi (7,866.36 km) |
| Riverdale to Collecchio | 4,838.77 mi (7,787.25 km) |
| Riverdale to Colleferro | 5,063.37 mi (8,148.70 km) |
