| Slough to Campo de Criptana | 845.40 mi (1,360.54 km) |
| Slough to Campos del Puerto | 852.33 mi (1,371.69 km) |
| Slough to Canals | 866.93 mi (1,395.20 km) |
| Slough to Candelaria | 1,796.34 mi (2,890.93 km) |
| Slough to Canet de Mar | 701.41 mi (1,128.81 km) |
| Slough to Cangas | 745.71 mi (1,200.11 km) |
| Slough to Cangas de Narcea | 639.36 mi (1,028.95 km) |
| Slough to Canovellas | 696.71 mi (1,121.24 km) |
| Slough to Canteras | 960.39 mi (1,545.60 km) |
| Slough to Cantillana | 994.21 mi (1,600.02 km) |
| Slough to Capdepera | 838.38 mi (1,349.25 km) |
| Slough to Carballo | 685.92 mi (1,103.88 km) |
| Slough to Carcagente | 855.83 mi (1,377.32 km) |
| Slough to Cardedeu | 695.87 mi (1,119.89 km) |
| Slough to Carlet | 848.61 mi (1,365.71 km) |
