| Pen-y-Bont ar Ogwr to Busto Arsizio | 697.79 mi (1,122.99 km) |
| Pen-y-Bont ar Ogwr to Busto Garolfo | 701.95 mi (1,129.67 km) |
| Pen-y-Bont ar Ogwr to Cabras | 987.60 mi (1,589.38 km) |
| Pen-y-Bont ar Ogwr to Cadelbosco di Sopra | 800.47 mi (1,288.23 km) |
| Pen-y-Bont ar Ogwr to Cadoneghe | 822.14 mi (1,323.11 km) |
| Pen-y-Bont ar Ogwr to Cagli | 932.29 mi (1,500.38 km) |
| Pen-y-Bont ar Ogwr to Cagliari | 1,045.24 mi (1,682.15 km) |
| Pen-y-Bont ar Ogwr to Cairo Montenotte | 734.29 mi (1,181.72 km) |
| Pen-y-Bont ar Ogwr to Caivano | 1,118.21 mi (1,799.58 km) |
| Pen-y-Bont ar Ogwr to Calcinaia | 851.67 mi (1,370.63 km) |
| Pen-y-Bont ar Ogwr to Calcinato | 763.15 mi (1,228.17 km) |
| Pen-y-Bont ar Ogwr to Calderara di Reno | 834.36 mi (1,342.78 km) |
| Pen-y-Bont ar Ogwr to Caldogno | 798.87 mi (1,285.66 km) |
| Pen-y-Bont ar Ogwr to Calenzano | 862.79 mi (1,388.52 km) |
| Pen-y-Bont ar Ogwr to Calolziocorte | 711.29 mi (1,144.72 km) |
