| Leverkusen to Olympia Heights (Florida) | 4,743.79 mi (7,634.39 km) |
| Leverkusen to Omaha (Nebraska) | 4,562.70 mi (7,342.96 km) |
| Leverkusen to On Top of the World Designated Place (Florida) | 4,653.00 mi (7,488.28 km) |
| Leverkusen to Onalaska (Wisconsin) | 4,261.46 mi (6,858.16 km) |
| Leverkusen to Oneida (New York) | 3,721.05 mi (5,988.45 km) |
| Leverkusen to Oneonta (New York) | 3,725.07 mi (5,994.93 km) |
| Leverkusen to Ontario (California) | 5,664.80 mi (9,116.61 km) |
| Leverkusen to Ontario (Oregon) | 5,062.84 mi (8,147.85 km) |
| Leverkusen to Opa-locka (Florida) | 4,731.32 mi (7,614.32 km) |
| Leverkusen to Opelika (Alabama) | 4,598.81 mi (7,401.07 km) |
| Leverkusen to Opelousas (Louisiana) | 4,972.44 mi (8,002.37 km) |
| Leverkusen to Orange (California) | 5,685.12 mi (9,149.32 km) |
| Leverkusen to Orange (Texas) | 5,058.62 mi (8,141.06 km) |
| Leverkusen to Orange City (Florida) | 4,620.47 mi (7,435.92 km) |
| Leverkusen to Orangeburg (South Carolina) | 4,376.23 mi (7,042.86 km) |
