| Rhondda to Benavente | 911.66 mi (1,467.17 km) |
| Rhondda to Bombarral | 896.65 mi (1,443.01 km) |
| Rhondda to Bougado | 750.68 mi (1,208.10 km) |
| Rhondda to Braga | 734.48 mi (1,182.02 km) |
| Rhondda to Braganca | 695.80 mi (1,119.78 km) |
| Rhondda to Cabeceiras de Basto | 729.71 mi (1,174.35 km) |
| Rhondda to Cacem | 931.96 mi (1,499.85 km) |
| Rhondda to Cadaval | 898.14 mi (1,445.42 km) |
| Rhondda to Caldas da Rainha | 887.12 mi (1,427.69 km) |
| Rhondda to Calheta | 1,477.30 mi (2,377.49 km) |
| Rhondda to Camara de Lobos | 1,474.84 mi (2,373.53 km) |
| Rhondda to Canico | 1,475.31 mi (2,374.29 km) |
| Rhondda to Cantanhede | 816.84 mi (1,314.57 km) |
| Rhondda to Carregal do Sal | 802.90 mi (1,292.14 km) |
| Rhondda to Cartaxo | 899.19 mi (1,447.10 km) |
