| Niederkassel to Naron | 869.36 mi (1,399.10 km) |
| Niederkassel to Navalcarnero | 900.81 mi (1,449.71 km) |
| Niederkassel to Navalmoral de la Mata | 967.67 mi (1,557.32 km) |
| Niederkassel to Nerja | 1,111.44 mi (1,788.70 km) |
| Niederkassel to Nigran | 959.45 mi (1,544.09 km) |
| Niederkassel to Nijar | 1,059.71 mi (1,705.44 km) |
| Niederkassel to Novelda | 939.52 mi (1,512.01 km) |
| Niederkassel to Noya | 932.09 mi (1,500.05 km) |
| Niederkassel to Nules | 833.09 mi (1,340.73 km) |
| Niederkassel to Ocana | 905.83 mi (1,457.80 km) |
| Niederkassel to Ogijares | 1,081.74 mi (1,740.90 km) |
| Niederkassel to Oleiros | 885.47 mi (1,425.03 km) |
| Niederkassel to Olesa de Montserrat | 685.74 mi (1,103.59 km) |
| Niederkassel to Oliva | 892.54 mi (1,436.40 km) |
| Niederkassel to Olivares | 1,129.80 mi (1,818.24 km) |
