| Leverkusen to Novi di Modena | 461.16 mi (742.16 km) |
| Leverkusen to Novi Ligure | 441.43 mi (710.41 km) |
| Leverkusen to Nuoro | 748.98 mi (1,205.37 km) |
| Leverkusen to Occhiobello | 472.58 mi (760.54 km) |
| Leverkusen to Oderzo | 441.95 mi (711.25 km) |
| Leverkusen to Oggiono | 378.58 mi (609.27 km) |
| Leverkusen to Olbia | 709.25 mi (1,141.42 km) |
| Leverkusen to Oleggio | 382.96 mi (616.31 km) |
| Leverkusen to Olgiate Comasco | 373.93 mi (601.79 km) |
| Leverkusen to Olgiate Olona | 383.14 mi (616.60 km) |
| Leverkusen to Omegna | 362.09 mi (582.74 km) |
| Leverkusen to Opera | 403.64 mi (649.60 km) |
| Leverkusen to Oppeano | 440.71 mi (709.25 km) |
| Leverkusen to Orbassano | 417.14 mi (671.32 km) |
| Leverkusen to Orbetello | 626.37 mi (1,008.05 km) |
