| Rhondda to Casamassima | 1,212.02 mi (1,950.56 km) |
| Rhondda to Casandrino | 1,115.76 mi (1,795.64 km) |
| Rhondda to Casapulla | 1,110.18 mi (1,786.66 km) |
| Rhondda to Casarano | 1,304.07 mi (2,098.70 km) |
| Rhondda to Casatenovo | 708.84 mi (1,140.76 km) |
| Rhondda to Casciana Terme | 857.89 mi (1,380.63 km) |
| Rhondda to Cascina | 847.82 mi (1,364.44 km) |
| Rhondda to Caselle Torinese | 673.62 mi (1,084.09 km) |
| Rhondda to Caserta | 1,111.96 mi (1,789.52 km) |
| Rhondda to Casier | 825.18 mi (1,327.99 km) |
| Rhondda to Casorate Primo | 715.29 mi (1,151.14 km) |
| Rhondda to Casoria | 1,119.22 mi (1,801.21 km) |
| Rhondda to Cassano al Ionio | 1,247.90 mi (2,008.30 km) |
| Rhondda to Cassano d'Adda | 723.75 mi (1,164.77 km) |
| Rhondda to Cassano delle Murge | 1,209.66 mi (1,946.75 km) |
