| Twickenham to Cadiz | 1,071.31 mi (1,724.10 km) |
| Twickenham to Calafell | 713.86 mi (1,148.85 km) |
| Twickenham to Calahorra | 636.76 mi (1,024.77 km) |
| Twickenham to Calasparra | 915.70 mi (1,473.67 km) |
| Twickenham to Calatayud | 700.47 mi (1,127.30 km) |
| Twickenham to Caldas de Montbuy | 688.49 mi (1,108.01 km) |
| Twickenham to Caldas de Reyes | 724.53 mi (1,166.02 km) |
| Twickenham to Calella | 693.99 mi (1,116.87 km) |
| Twickenham to Callosa de Segura | 921.15 mi (1,482.45 km) |
| Twickenham to Calpe | 884.86 mi (1,424.05 km) |
| Twickenham to Calvia | 832.35 mi (1,339.54 km) |
| Twickenham to Camas | 1,009.65 mi (1,624.88 km) |
| Twickenham to Cambados | 734.78 mi (1,182.52 km) |
| Twickenham to Cambre | 676.14 mi (1,088.14 km) |
| Twickenham to Cambrils | 720.37 mi (1,159.33 km) |
