| Leverkusen to Oswego (Illinois) | 4,265.67 mi (6,864.94 km) |
| Leverkusen to Oswego (New York) | 3,737.15 mi (6,014.36 km) |
| Leverkusen to Otsego (Minnesota) | 4,277.44 mi (6,883.87 km) |
| Leverkusen to Ottawa (Illinois) | 4,299.58 mi (6,919.51 km) |
| Leverkusen to Ottawa (Kansas) | 4,671.80 mi (7,518.54 km) |
| Leverkusen to Ottumwa (Iowa) | 4,446.54 mi (7,156.02 km) |
| Leverkusen to Overland (Missouri) | 4,488.13 mi (7,222.95 km) |
| Leverkusen to Overland Park (Kansas) | 4,636.29 mi (7,461.38 km) |
| Leverkusen to Overlea (Maryland) | 3,921.64 mi (6,311.27 km) |
| Leverkusen to Oviedo (Florida) | 4,630.26 mi (7,451.68 km) |
| Leverkusen to Owasso (Oklahoma) | 4,812.42 mi (7,744.85 km) |
| Leverkusen to Owatonna (Minnesota) | 4,322.13 mi (6,955.80 km) |
| Leverkusen to Owensboro (Kentucky) | 4,412.44 mi (7,101.13 km) |
| Leverkusen to Owings Mills (Maryland) | 3,930.39 mi (6,325.34 km) |
| Leverkusen to Owosso (Michigan) | 4,049.33 mi (6,516.76 km) |
