| Castricum to Naron | 856.10 mi (1,377.76 km) |
| Castricum to Navalcarnero | 941.35 mi (1,514.95 km) |
| Castricum to Navalmoral de la Mata | 998.86 mi (1,607.51 km) |
| Castricum to Nerja | 1,167.95 mi (1,879.63 km) |
| Castricum to Nigran | 953.41 mi (1,534.36 km) |
| Castricum to Nijar | 1,126.92 mi (1,813.60 km) |
| Castricum to Novelda | 1,012.79 mi (1,629.92 km) |
| Castricum to Noya | 920.56 mi (1,481.49 km) |
| Castricum to Nules | 906.53 mi (1,458.92 km) |
| Castricum to Ocana | 952.06 mi (1,532.20 km) |
| Castricum to Ogijares | 1,138.88 mi (1,832.85 km) |
| Castricum to Oleiros | 873.01 mi (1,404.97 km) |
| Castricum to Olesa de Montserrat | 771.34 mi (1,241.35 km) |
| Castricum to Oliva | 969.12 mi (1,559.66 km) |
| Castricum to Olivares | 1,168.67 mi (1,880.80 km) |
