| Olbia to Naron | 919.22 mi (1,479.34 km) |
| Olbia to Navalcarnero | 709.56 mi (1,141.93 km) |
| Olbia to Navalmoral de la Mata | 793.43 mi (1,276.89 km) |
| Olbia to Nerja | 774.56 mi (1,246.53 km) |
| Olbia to Nigran | 948.79 mi (1,526.93 km) |
| Olbia to Nijar | 684.70 mi (1,101.91 km) |
| Olbia to Novelda | 573.15 mi (922.40 km) |
| Olbia to Noya | 952.95 mi (1,533.62 km) |
| Olbia to Nules | 512.93 mi (825.47 km) |
| Olbia to Ocana | 686.05 mi (1,104.08 km) |
| Olbia to Ogijares | 749.73 mi (1,206.57 km) |
| Olbia to Oleiros | 926.29 mi (1,490.73 km) |
| Olbia to Olesa de Montserrat | 397.45 mi (639.63 km) |
| Olbia to Oliva | 527.87 mi (849.53 km) |
| Olbia to Olivares | 871.16 mi (1,401.99 km) |
