| Pen-y-Bont ar Ogwr to Carmignano | 859.69 mi (1,383.54 km) |
| Pen-y-Bont ar Ogwr to Carovigno | 1,254.68 mi (2,019.20 km) |
| Pen-y-Bont ar Ogwr to Carpenedolo | 767.80 mi (1,235.65 km) |
| Pen-y-Bont ar Ogwr to Carpi | 810.32 mi (1,304.08 km) |
| Pen-y-Bont ar Ogwr to Carrara | 814.15 mi (1,310.25 km) |
| Pen-y-Bont ar Ogwr to Carugate | 718.41 mi (1,156.16 km) |
| Pen-y-Bont ar Ogwr to Casal di Principe | 1,108.89 mi (1,784.59 km) |
| Pen-y-Bont ar Ogwr to Casale Monferrato | 705.40 mi (1,135.23 km) |
| Pen-y-Bont ar Ogwr to Casale sul Sile | 831.84 mi (1,338.72 km) |
| Pen-y-Bont ar Ogwr to Casalecchio di Reno | 838.73 mi (1,349.80 km) |
| Pen-y-Bont ar Ogwr to Casalgrande | 813.71 mi (1,309.54 km) |
| Pen-y-Bont ar Ogwr to Casalmaggiore | 783.76 mi (1,261.33 km) |
| Pen-y-Bont ar Ogwr to Casalnuovo di Napoli | 1,121.67 mi (1,805.16 km) |
| Pen-y-Bont ar Ogwr to Casalpusterlengo | 746.73 mi (1,201.74 km) |
| Pen-y-Bont ar Ogwr to Casaluce | 1,112.12 mi (1,789.78 km) |
