| Cwmbran to Cadiz | 1,056.85 mi (1,700.84 km) |
| Cwmbran to Calafell | 754.18 mi (1,213.73 km) |
| Cwmbran to Calahorra | 648.12 mi (1,043.05 km) |
| Cwmbran to Calasparra | 929.60 mi (1,496.05 km) |
| Cwmbran to Calatayud | 714.89 mi (1,150.50 km) |
| Cwmbran to Caldas de Montbuy | 734.30 mi (1,181.74 km) |
| Cwmbran to Caldas de Reyes | 678.28 mi (1,091.58 km) |
| Cwmbran to Calella | 743.47 mi (1,196.50 km) |
| Cwmbran to Callosa de Segura | 940.62 mi (1,513.78 km) |
| Cwmbran to Calpe | 910.88 mi (1,465.92 km) |
| Cwmbran to Calvia | 876.20 mi (1,410.10 km) |
| Cwmbran to Camas | 995.54 mi (1,602.17 km) |
| Cwmbran to Cambados | 687.86 mi (1,107.00 km) |
| Cwmbran to Cambre | 628.87 mi (1,012.07 km) |
| Cwmbran to Cambrils | 756.51 mi (1,217.48 km) |
