| Nidderau to Novi di Modena | 381.64 mi (614.19 km) |
| Nidderau to Novi Ligure | 379.41 mi (610.61 km) |
| Nidderau to Nuoro | 686.64 mi (1,105.05 km) |
| Nidderau to Occhiobello | 388.71 mi (625.58 km) |
| Nidderau to Oderzo | 350.51 mi (564.09 km) |
| Nidderau to Oggiono | 309.32 mi (497.80 km) |
| Nidderau to Olbia | 645.51 mi (1,038.86 km) |
| Nidderau to Oleggio | 321.52 mi (517.44 km) |
| Nidderau to Olgiate Comasco | 308.63 mi (496.70 km) |
| Nidderau to Olgiate Olona | 318.98 mi (513.36 km) |
| Nidderau to Omegna | 302.92 mi (487.51 km) |
| Nidderau to Opera | 336.58 mi (541.67 km) |
| Nidderau to Oppeano | 358.02 mi (576.18 km) |
| Nidderau to Orbassano | 367.74 mi (591.81 km) |
| Nidderau to Orbetello | 550.74 mi (886.33 km) |
