| Sligo to Naron | 740.60 mi (1,191.89 km) |
| Sligo to Navalcarnero | 988.02 mi (1,590.06 km) |
| Sligo to Navalmoral de la Mata | 1,002.14 mi (1,612.79 km) |
| Sligo to Nerja | 1,230.21 mi (1,979.82 km) |
| Sligo to Nigran | 837.87 mi (1,348.42 km) |
| Sligo to Nijar | 1,232.08 mi (1,982.84 km) |
| Sligo to Novelda | 1,155.76 mi (1,860.01 km) |
| Sligo to Noya | 793.63 mi (1,277.23 km) |
| Sligo to Nules | 1,068.60 mi (1,719.75 km) |
| Sligo to Ocana | 1,015.49 mi (1,634.28 km) |
| Sligo to Ogijares | 1,207.44 mi (1,943.18 km) |
| Sligo to Oleiros | 755.46 mi (1,215.80 km) |
| Sligo to Olesa de Montserrat | 999.42 mi (1,608.42 km) |
| Sligo to Oliva | 1,130.40 mi (1,819.20 km) |
| Sligo to Olivares | 1,169.46 mi (1,882.07 km) |
