| Porthcawl to Chivasso | 685.33 mi (1,102.93 km) |
| Porthcawl to Ciampino | 1,017.92 mi (1,638.18 km) |
| Porthcawl to Cicciano | 1,128.74 mi (1,816.53 km) |
| Porthcawl to Cingoli | 965.22 mi (1,553.38 km) |
| Porthcawl to Cinisello Balsamo | 717.28 mi (1,154.36 km) |
| Porthcawl to Cinisi | 1,228.27 mi (1,976.72 km) |
| Porthcawl to Cirie | 673.12 mi (1,083.28 km) |
| Porthcawl to Ciro Marina | 1,303.08 mi (2,097.11 km) |
| Porthcawl to Cislago | 703.56 mi (1,132.27 km) |
| Porthcawl to Cisterna di Latina | 1,036.52 mi (1,668.11 km) |
| Porthcawl to Cisternino | 1,247.58 mi (2,007.79 km) |
| Porthcawl to Citta di Castello | 924.53 mi (1,487.88 km) |
| Porthcawl to Citta Sant'Angelo | 1,035.87 mi (1,667.07 km) |
| Porthcawl to Cittadella | 811.79 mi (1,306.45 km) |
| Porthcawl to Cittanova | 1,318.34 mi (2,121.67 km) |
