| Rhymney to Cividale del Friuli | 850.90 mi (1,369.39 km) |
| Rhymney to Civita Castellana | 983.05 mi (1,582.06 km) |
| Rhymney to Civitanova Marche | 981.85 mi (1,580.13 km) |
| Rhymney to Civitavecchia | 972.10 mi (1,564.44 km) |
| Rhymney to Civitella in Val di Chiana | 902.96 mi (1,453.17 km) |
| Rhymney to Clusone | 724.38 mi (1,165.78 km) |
| Rhymney to Coccaglio | 739.50 mi (1,190.11 km) |
| Rhymney to Codigoro | 851.74 mi (1,370.74 km) |
| Rhymney to Codogno | 747.86 mi (1,203.56 km) |
| Rhymney to Codroipo | 838.13 mi (1,348.83 km) |
| Rhymney to Cogoleto | 748.32 mi (1,204.30 km) |
| Rhymney to Colle di Val d'Elsa | 883.21 mi (1,421.38 km) |
| Rhymney to Colle Salvetti | 850.66 mi (1,369.00 km) |
| Rhymney to Collecchio | 785.44 mi (1,264.05 km) |
| Rhymney to Colleferro | 1,032.75 mi (1,662.05 km) |
