| Leverkusen to Octeville | 392.44 mi (631.57 km) |
| Leverkusen to Oignies | 178.69 mi (287.57 km) |
| Leverkusen to Oissel | 285.54 mi (459.54 km) |
| Leverkusen to Olivet | 316.22 mi (508.90 km) |
| Leverkusen to Ollioules | 548.01 mi (881.94 km) |
| Leverkusen to Olonne-sur-Mer | 504.85 mi (812.48 km) |
| Leverkusen to Oloron-Sainte-Marie | 647.88 mi (1,042.65 km) |
| Leverkusen to Onet Village | 503.66 mi (810.57 km) |
| Leverkusen to Onnaing | 154.66 mi (248.91 km) |
| Leverkusen to Orange | 486.99 mi (783.73 km) |
| Leverkusen to Orchies | 167.92 mi (270.24 km) |
| Leverkusen to Orleans | 314.04 mi (505.40 km) |
| Leverkusen to Orly | 258.34 mi (415.75 km) |
| Leverkusen to Ormesson-sur-Marne | 251.39 mi (404.57 km) |
| Leverkusen to Orsay | 267.59 mi (430.64 km) |
