| On Top of the World Designated Place to Cadiz | 4,328.18 mi (6,965.53 km) |
| On Top of the World Designated Place to Calafell | 4,629.10 mi (7,449.82 km) |
| On Top of the World Designated Place to Calahorra | 4,432.27 mi (7,133.05 km) |
| On Top of the World Designated Place to Calasparra | 4,531.81 mi (7,293.25 km) |
| On Top of the World Designated Place to Calatayud | 4,468.04 mi (7,190.62 km) |
| On Top of the World Designated Place to Caldas de Montbuy | 4,648.42 mi (7,480.91 km) |
| On Top of the World Designated Place to Caldas de Reyes | 4,098.24 mi (6,595.48 km) |
| On Top of the World Designated Place to Calella | 4,672.95 mi (7,520.39 km) |
| On Top of the World Designated Place to Callosa de Segura | 4,576.37 mi (7,364.95 km) |
| On Top of the World Designated Place to Calpe | 4,611.57 mi (7,421.61 km) |
| On Top of the World Designated Place to Calvia | 4,713.86 mi (7,586.22 km) |
| On Top of the World Designated Place to Camas | 4,324.40 mi (6,959.45 km) |
| On Top of the World Designated Place to Cambados | 4,091.80 mi (6,585.11 km) |
| On Top of the World Designated Place to Cambre | 4,102.92 mi (6,603.01 km) |
| On Top of the World Designated Place to Cambrils | 4,606.93 mi (7,414.13 km) |
