| Niles to Cadiz | 4,206.36 mi (6,769.48 km) |
| Niles to Calafell | 4,383.67 mi (7,054.84 km) |
| Niles to Calahorra | 4,189.34 mi (6,742.09 km) |
| Niles to Calasparra | 4,353.34 mi (7,006.02 km) |
| Niles to Calatayud | 4,238.74 mi (6,821.60 km) |
| Niles to Caldas de Montbuy | 4,392.73 mi (7,069.41 km) |
| Niles to Caldas de Reyes | 3,884.90 mi (6,252.14 km) |
| Niles to Calella | 4,414.59 mi (7,104.60 km) |
| Niles to Callosa de Segura | 4,394.48 mi (7,072.24 km) |
| Niles to Calpe | 4,415.60 mi (7,106.23 km) |
| Niles to Calvia | 4,488.14 mi (7,222.97 km) |
| Niles to Camas | 4,186.38 mi (6,737.32 km) |
| Niles to Cambados | 3,881.08 mi (6,245.99 km) |
| Niles to Cambre | 3,876.04 mi (6,237.89 km) |
| Niles to Cambrils | 4,366.61 mi (7,027.38 km) |
