| Sondershausen to Novi di Modena | 447.26 mi (719.80 km) |
| Sondershausen to Novi Ligure | 466.49 mi (750.74 km) |
| Sondershausen to Nuoro | 766.99 mi (1,234.36 km) |
| Sondershausen to Occhiobello | 446.52 mi (718.61 km) |
| Sondershausen to Oderzo | 393.02 mi (632.50 km) |
| Sondershausen to Oggiono | 391.93 mi (630.76 km) |
| Sondershausen to Olbia | 724.95 mi (1,166.69 km) |
| Sondershausen to Oleggio | 411.31 mi (661.93 km) |
| Sondershausen to Olgiate Comasco | 395.40 mi (636.33 km) |
| Sondershausen to Olgiate Olona | 406.37 mi (653.99 km) |
| Sondershausen to Omegna | 395.46 mi (636.42 km) |
| Sondershausen to Opera | 420.26 mi (676.35 km) |
| Sondershausen to Oppeano | 419.42 mi (674.99 km) |
| Sondershausen to Orbassano | 465.27 mi (748.78 km) |
| Sondershausen to Orbetello | 617.03 mi (993.01 km) |
