| Rhymney to Cortona | 919.50 mi (1,479.79 km) |
| Rhymney to Cosenza | 1,271.21 mi (2,045.81 km) |
| Rhymney to Cossato | 673.99 mi (1,084.68 km) |
| Rhymney to Costa Volpino | 732.26 mi (1,178.46 km) |
| Rhymney to Creazzo | 797.39 mi (1,283.28 km) |
| Rhymney to Crema | 737.55 mi (1,186.97 km) |
| Rhymney to Cremona | 760.99 mi (1,224.69 km) |
| Rhymney to Crevalcore | 820.95 mi (1,321.19 km) |
| Rhymney to Crispiano | 1,240.75 mi (1,996.79 km) |
| Rhymney to Crosia | 1,275.69 mi (2,053.03 km) |
| Rhymney to Crotone | 1,313.06 mi (2,113.17 km) |
| Rhymney to Cuneo | 712.60 mi (1,146.83 km) |
| Rhymney to Cuorgne | 664.67 mi (1,069.69 km) |
| Rhymney to Cusano Milanino | 711.01 mi (1,144.26 km) |
| Rhymney to Cutro | 1,310.92 mi (2,109.72 km) |
