| Rhondda to Cassina de' Pecchi | 718.96 mi (1,157.05 km) |
| Rhondda to Cassino | 1,072.37 mi (1,725.80 km) |
| Rhondda to Castagneto Carducci | 875.22 mi (1,408.52 km) |
| Rhondda to Castano Primo | 695.51 mi (1,119.32 km) |
| Rhondda to Castel Bolognese | 863.25 mi (1,389.27 km) |
| Rhondda to Castel Gandolfo | 1,018.27 mi (1,638.75 km) |
| Rhondda to Castel Goffredo | 769.86 mi (1,238.97 km) |
| Rhondda to Castel Maggiore | 835.79 mi (1,345.07 km) |
| Rhondda to Castel Mella | 748.82 mi (1,205.11 km) |
| Rhondda to Castel San Giorgio | 1,139.33 mi (1,833.58 km) |
| Rhondda to Castel San Giovanni | 742.69 mi (1,195.25 km) |
| Rhondda to Castel San Pietro Terme | 851.41 mi (1,370.20 km) |
| Rhondda to Castel Volturno | 1,098.06 mi (1,767.16 km) |
| Rhondda to Castelbuono | 1,270.90 mi (2,045.32 km) |
| Rhondda to Casteldaccia | 1,246.22 mi (2,005.60 km) |
