| Pen-y-Bont ar Ogwr to Casamassima | 1,214.40 mi (1,954.38 km) |
| Pen-y-Bont ar Ogwr to Casandrino | 1,117.26 mi (1,798.06 km) |
| Pen-y-Bont ar Ogwr to Casapulla | 1,111.75 mi (1,789.19 km) |
| Pen-y-Bont ar Ogwr to Casarano | 1,306.45 mi (2,102.52 km) |
| Pen-y-Bont ar Ogwr to Casatenovo | 711.11 mi (1,144.42 km) |
| Pen-y-Bont ar Ogwr to Casciana Terme | 859.29 mi (1,382.89 km) |
| Pen-y-Bont ar Ogwr to Cascina | 849.29 mi (1,366.79 km) |
| Pen-y-Bont ar Ogwr to Caselle Torinese | 674.71 mi (1,085.84 km) |
| Pen-y-Bont ar Ogwr to Caserta | 1,113.55 mi (1,792.08 km) |
| Pen-y-Bont ar Ogwr to Casier | 828.54 mi (1,333.40 km) |
| Pen-y-Bont ar Ogwr to Casorate Primo | 717.15 mi (1,154.13 km) |
| Pen-y-Bont ar Ogwr to Casoria | 1,120.72 mi (1,803.63 km) |
| Pen-y-Bont ar Ogwr to Cassano al Ionio | 1,249.62 mi (2,011.08 km) |
| Pen-y-Bont ar Ogwr to Cassano d'Adda | 725.99 mi (1,168.37 km) |
| Pen-y-Bont ar Ogwr to Cassano delle Murge | 1,211.96 mi (1,950.46 km) |
