| Cities | Distance |
|---|
| Olbia to Opwijk | 739.39 mi (1,189.94 km) |
| Olbia to Ostend | 778.24 mi (1,252.46 km) |
| Olbia to Oud-Heverlee | 723.14 mi (1,163.78 km) |
| Olbia to Oud-Turnhout | 750.05 mi (1,207.10 km) |
| Olbia to Oudenaarde | 742.08 mi (1,194.27 km) |
| Olbia to Oudenburg | 774.07 mi (1,245.74 km) |
| Olbia to Oupeye | 701.31 mi (1,128.66 km) |
| Olbia to Overijse | 721.98 mi (1,161.92 km) |
| Olbia to Overpelt | 737.79 mi (1,187.36 km) |
| Olbia to Paal | 729.27 mi (1,173.65 km) |
| Olbia to Peer | 731.78 mi (1,177.68 km) |
| Olbia to Pepinster | 689.77 mi (1,110.08 km) |
| Olbia to Peruwelz | 721.53 mi (1,161.19 km) |
| Olbia to Perwez | 707.33 mi (1,138.34 km) |
| Olbia to Philippeville | 684.27 mi (1,101.22 km) |
