| Cities | Distance |
|---|
| Olbia to Oegstgeest | 813.85 mi (1,309.77 km) |
| Olbia to Oirschot | 757.98 mi (1,219.85 km) |
| Olbia to Oisterwijk | 764.74 mi (1,230.74 km) |
| Olbia to Oldebroek | 814.67 mi (1,311.09 km) |
| Olbia to Oldenzaal | 796.89 mi (1,282.47 km) |
| Olbia to Ommen | 814.48 mi (1,310.79 km) |
| Olbia to Oosterend | 850.42 mi (1,368.62 km) |
| Olbia to Oosterhout | 773.17 mi (1,244.30 km) |
| Olbia to Oosterwolde | 847.59 mi (1,364.07 km) |
| Olbia to Oostzaan | 824.83 mi (1,327.44 km) |
| Olbia to Opmeer | 841.67 mi (1,354.53 km) |
| Olbia to Oss | 773.06 mi (1,244.12 km) |
| Olbia to Oud-Beijerland | 790.90 mi (1,272.83 km) |
| Olbia to Oudenbosch | 774.31 mi (1,246.13 km) |
| Olbia to Oudewater | 797.58 mi (1,283.58 km) |
