| Greenford to Cadiz | 1,076.46 mi (1,732.40 km) |
| Greenford to Calafell | 719.47 mi (1,157.87 km) |
| Greenford to Calahorra | 642.24 mi (1,033.58 km) |
| Greenford to Calasparra | 921.23 mi (1,482.57 km) |
| Greenford to Calatayud | 705.99 mi (1,136.18 km) |
| Greenford to Caldas de Montbuy | 694.07 mi (1,117.00 km) |
| Greenford to Caldas de Reyes | 728.78 mi (1,172.87 km) |
| Greenford to Calella | 699.55 mi (1,125.82 km) |
| Greenford to Callosa de Segura | 926.72 mi (1,491.41 km) |
| Greenford to Calpe | 890.46 mi (1,433.06 km) |
| Greenford to Calvia | 837.94 mi (1,348.53 km) |
| Greenford to Camas | 1,014.81 mi (1,633.18 km) |
| Greenford to Cambados | 739.01 mi (1,189.33 km) |
| Greenford to Cambre | 680.33 mi (1,094.89 km) |
| Greenford to Cambrils | 725.98 mi (1,168.36 km) |
