| Rhondda to Creutzwald | 474.95 mi (764.36 km) |
| Rhondda to Croissy-sur-Seine | 309.91 mi (498.75 km) |
| Rhondda to Croix | 291.87 mi (469.71 km) |
| Rhondda to Crosne | 328.28 mi (528.31 km) |
| Rhondda to Cuers | 728.00 mi (1,171.60 km) |
| Rhondda to Cugnaux | 600.32 mi (966.12 km) |
| Rhondda to Cusset | 490.49 mi (789.37 km) |
| Rhondda to Dammarie-le-Lys | 343.32 mi (552.53 km) |
| Rhondda to Dammartin-en-Goele | 321.82 mi (517.92 km) |
| Rhondda to Dardilly | 547.01 mi (880.32 km) |
| Rhondda to Darnetal | 250.46 mi (403.07 km) |
| Rhondda to Dax | 557.16 mi (896.67 km) |
| Rhondda to Decines-Charpieu | 555.32 mi (893.70 km) |
| Rhondda to Denain | 309.32 mi (497.80 km) |
| Rhondda to Deuil-la-Barre | 312.17 mi (502.39 km) |
