| Leverkusen to Oestrich-Winkel | 84.21 mi (135.53 km) |
| Leverkusen to Offenburg | 182.33 mi (293.43 km) |
| Leverkusen to Oftersheim | 134.95 mi (217.18 km) |
| Leverkusen to Ohrdruf | 163.87 mi (263.73 km) |
| Leverkusen to Ohringen | 168.73 mi (271.55 km) |
| Leverkusen to Olbernhau | 278.07 mi (447.51 km) |
| Leverkusen to Olching | 275.51 mi (443.38 km) |
| Leverkusen to Oldenburg | 154.90 mi (249.28 km) |
| Leverkusen to Oldenburg in Holstein | 278.56 mi (448.30 km) |
| Leverkusen to Olfen | 50.27 mi (80.90 km) |
| Leverkusen to Olpe | 36.96 mi (59.48 km) |
| Leverkusen to Olsberg | 68.54 mi (110.30 km) |
| Leverkusen to Oranienburg | 291.83 mi (469.66 km) |
| Leverkusen to Ortenberg | 102.05 mi (164.23 km) |
| Leverkusen to Oschatz | 265.88 mi (427.90 km) |
