| Rhondda to Caltagirone | 1,323.07 mi (2,129.28 km) |
| Rhondda to Caltanissetta | 1,294.49 mi (2,083.28 km) |
| Rhondda to Calvisano | 762.78 mi (1,227.58 km) |
| Rhondda to Calvizzano | 1,115.10 mi (1,794.58 km) |
| Rhondda to Camaiore | 826.80 mi (1,330.60 km) |
| Rhondda to Cameri | 693.59 mi (1,116.22 km) |
| Rhondda to Camisano Vicentino | 807.87 mi (1,300.15 km) |
| Rhondda to Campagna | 1,159.51 mi (1,866.04 km) |
| Rhondda to Campagnano di Roma | 989.31 mi (1,592.13 km) |
| Rhondda to Campi Bisenzio | 862.15 mi (1,387.49 km) |
| Rhondda to Campi Salentina | 1,279.80 mi (2,059.65 km) |
| Rhondda to Campiglia Marittima | 880.83 mi (1,417.56 km) |
| Rhondda to Campobasso | 1,099.05 mi (1,768.75 km) |
| Rhondda to Campobello di Licata | 1,303.44 mi (2,097.69 km) |
| Rhondda to Campobello di Mazara | 1,245.40 mi (2,004.28 km) |
