| Tortona to Naron | 846.06 mi (1,361.60 km) |
| Tortona to Navalcarnero | 727.32 mi (1,170.51 km) |
| Tortona to Navalmoral de la Mata | 810.54 mi (1,304.44 km) |
| Tortona to Nerja | 870.48 mi (1,400.90 km) |
| Tortona to Nigran | 903.64 mi (1,454.27 km) |
| Tortona to Nijar | 794.66 mi (1,278.89 km) |
| Tortona to Novelda | 669.75 mi (1,077.85 km) |
| Tortona to Noya | 894.62 mi (1,439.75 km) |
| Tortona to Nules | 576.61 mi (927.96 km) |
| Tortona to Ocana | 715.77 mi (1,151.93 km) |
| Tortona to Ogijares | 841.66 mi (1,354.52 km) |
| Tortona to Oleiros | 857.50 mi (1,380.01 km) |
| Tortona to Olesa de Montserrat | 420.18 mi (676.22 km) |
| Tortona to Oliva | 618.96 mi (996.11 km) |
| Tortona to Olivares | 934.20 mi (1,503.46 km) |
