| Cities | Distance |
|---|---|
| Olbia to Chitila | 871.02 mi (1,401.77 km) |
| Olbia to Cisnadie | 806.06 mi (1,297.22 km) |
| Olbia to Cluj-Napoca | 808.16 mi (1,300.62 km) |
| Olbia to Codlea | 865.09 mi (1,392.23 km) |
| Olbia to Comanesti | 926.31 mi (1,490.75 km) |
| Olbia to Comarnic | 865.71 mi (1,393.23 km) |
| Olbia to Constanta | 997.09 mi (1,604.66 km) |
| Olbia to Corabia | 789.96 mi (1,271.31 km) |
| Olbia to Costesti | 820.27 mi (1,320.10 km) |
| Olbia to Covasna | 902.34 mi (1,452.17 km) |
| Olbia to Craiova | 763.98 mi (1,229.50 km) |
| Olbia to Cristuru Secuiesc | 859.44 mi (1,383.14 km) |
| Olbia to Cugir | 773.54 mi (1,244.89 km) |
| Olbia to Cumpana | 992.86 mi (1,597.86 km) |
| Olbia to Curtea de Arges | 818.75 mi (1,317.65 km) |