| Osterode to Novi di Modena | 473.20 mi (761.54 km) |
| Osterode to Novi Ligure | 486.22 mi (782.49 km) |
| Osterode to Nuoro | 789.70 mi (1,270.90 km) |
| Osterode to Occhiobello | 474.24 mi (763.22 km) |
| Osterode to Oderzo | 423.38 mi (681.37 km) |
| Osterode to Oggiono | 412.82 mi (664.37 km) |
| Osterode to Olbia | 747.88 mi (1,203.60 km) |
| Osterode to Oleggio | 429.81 mi (691.71 km) |
| Osterode to Olgiate Comasco | 414.91 mi (667.74 km) |
| Osterode to Olgiate Olona | 425.73 mi (685.14 km) |
| Osterode to Omegna | 412.82 mi (664.38 km) |
| Osterode to Opera | 440.96 mi (709.65 km) |
| Osterode to Oppeano | 446.20 mi (718.09 km) |
| Osterode to Orbassano | 480.74 mi (773.68 km) |
| Osterode to Orbetello | 643.39 mi (1,035.44 km) |
