| Rhondda to Busto Arsizio | 695.79 mi (1,119.76 km) |
| Rhondda to Busto Garolfo | 699.98 mi (1,126.50 km) |
| Rhondda to Cabras | 988.85 mi (1,591.40 km) |
| Rhondda to Cadelbosco di Sopra | 798.32 mi (1,284.76 km) |
| Rhondda to Cadoneghe | 819.03 mi (1,318.11 km) |
| Rhondda to Cagli | 930.09 mi (1,496.83 km) |
| Rhondda to Cagliari | 1,046.49 mi (1,684.16 km) |
| Rhondda to Cairo Montenotte | 733.43 mi (1,180.34 km) |
| Rhondda to Caivano | 1,116.68 mi (1,797.12 km) |
| Rhondda to Calcinaia | 850.18 mi (1,368.23 km) |
| Rhondda to Calcinato | 760.59 mi (1,224.06 km) |
| Rhondda to Calderara di Reno | 832.07 mi (1,339.09 km) |
| Rhondda to Caldogno | 795.82 mi (1,280.74 km) |
| Rhondda to Calenzano | 860.96 mi (1,385.59 km) |
| Rhondda to Calolziocorte | 708.89 mi (1,140.85 km) |
