| Rhondda to Capodrise | 1,111.62 mi (1,788.98 km) |
| Rhondda to Capoterra | 1,045.81 mi (1,683.07 km) |
| Rhondda to Capriolo | 734.71 mi (1,182.41 km) |
| Rhondda to Capua | 1,105.75 mi (1,779.53 km) |
| Rhondda to Capurso | 1,207.21 mi (1,942.81 km) |
| Rhondda to Carate Brianza | 701.05 mi (1,128.24 km) |
| Rhondda to Caravaggio | 730.01 mi (1,174.84 km) |
| Rhondda to Carbonera | 823.18 mi (1,324.78 km) |
| Rhondda to Carbonia | 1,034.12 mi (1,664.26 km) |
| Rhondda to Cardito | 1,116.68 mi (1,797.12 km) |
| Rhondda to Carignano | 687.93 mi (1,107.12 km) |
| Rhondda to Carini | 1,230.46 mi (1,980.23 km) |
| Rhondda to Carlentini | 1,336.81 mi (2,151.39 km) |
| Rhondda to Carmagnola | 692.25 mi (1,114.07 km) |
| Rhondda to Carmiano | 1,283.52 mi (2,065.63 km) |
