| Nettuno to Cervello | 554.36 mi (892.15 km) |
| Nettuno to Cervera | 588.83 mi (947.63 km) |
| Nettuno to Ceuti | 775.31 mi (1,247.74 km) |
| Nettuno to Cheste | 714.27 mi (1,149.50 km) |
| Nettuno to Chiclana de la Frontera | 1,067.09 mi (1,717.31 km) |
| Nettuno to Chipiona | 1,072.45 mi (1,725.94 km) |
| Nettuno to Chiva | 716.24 mi (1,152.67 km) |
| Nettuno to Churriana de la Vega | 920.17 mi (1,480.87 km) |
| Nettuno to Ciempozuelos | 855.09 mi (1,376.13 km) |
| Nettuno to Cieza | 778.67 mi (1,253.14 km) |
| Nettuno to Cisterniga | 895.79 mi (1,441.64 km) |
| Nettuno to Ciudad de Melilla | 945.62 mi (1,521.82 km) |
| Nettuno to Ciudad Real | 890.04 mi (1,432.38 km) |
| Nettuno to Ciudad-Rodrigo | 1,000.76 mi (1,610.57 km) |
| Nettuno to Cocentaina | 716.94 mi (1,153.81 km) |
