| Leichlingen to Novi di Modena | 465.81 mi (749.65 km) |
| Leichlingen to Novi Ligure | 446.79 mi (719.04 km) |
| Leichlingen to Nuoro | 754.43 mi (1,214.13 km) |
| Leichlingen to Occhiobello | 476.97 mi (767.61 km) |
| Leichlingen to Oderzo | 445.71 mi (717.30 km) |
| Leichlingen to Oggiono | 383.65 mi (617.42 km) |
| Leichlingen to Olbia | 714.64 mi (1,150.10 km) |
| Leichlingen to Oleggio | 388.30 mi (624.91 km) |
| Leichlingen to Olgiate Comasco | 379.15 mi (610.18 km) |
| Leichlingen to Olgiate Olona | 388.40 mi (625.06 km) |
| Leichlingen to Omegna | 367.49 mi (591.41 km) |
| Leichlingen to Opera | 408.82 mi (657.92 km) |
| Leichlingen to Oppeano | 445.16 mi (716.42 km) |
| Leichlingen to Orbassano | 422.80 mi (680.43 km) |
| Leichlingen to Orbetello | 631.29 mi (1,015.96 km) |
