| Rhondda to Carmignano | 857.96 mi (1,380.75 km) |
| Rhondda to Carovigno | 1,252.18 mi (2,015.19 km) |
| Rhondda to Carpenedolo | 765.30 mi (1,231.64 km) |
| Rhondda to Carpi | 808.04 mi (1,300.41 km) |
| Rhondda to Carrara | 812.64 mi (1,307.82 km) |
| Rhondda to Carugate | 716.23 mi (1,152.67 km) |
| Rhondda to Casal di Principe | 1,107.40 mi (1,782.18 km) |
| Rhondda to Casale Monferrato | 703.93 mi (1,132.87 km) |
| Rhondda to Casale sul Sile | 828.50 mi (1,333.34 km) |
| Rhondda to Casalecchio di Reno | 836.48 mi (1,346.19 km) |
| Rhondda to Casalgrande | 811.62 mi (1,306.18 km) |
| Rhondda to Casalmaggiore | 781.53 mi (1,257.75 km) |
| Rhondda to Casalnuovo di Napoli | 1,120.14 mi (1,802.69 km) |
| Rhondda to Casalpusterlengo | 744.69 mi (1,198.46 km) |
| Rhondda to Casaluce | 1,110.60 mi (1,787.34 km) |
