| Hopkinsville to Oerlinghausen | 4,504.83 mi (7,249.82 km) |
| Hopkinsville to Oestrich-Winkel | 4,545.22 mi (7,314.83 km) |
| Hopkinsville to Offenburg | 4,594.61 mi (7,394.32 km) |
| Hopkinsville to Oftersheim | 4,589.36 mi (7,385.85 km) |
| Hopkinsville to Ohrdruf | 4,621.14 mi (7,437.01 km) |
| Hopkinsville to Ohringen | 4,630.96 mi (7,452.82 km) |
| Hopkinsville to Olbernhau | 4,723.99 mi (7,602.53 km) |
| Hopkinsville to Olching | 4,737.58 mi (7,624.41 km) |
| Hopkinsville to Oldenburg | 4,449.44 mi (7,160.68 km) |
| Hopkinsville to Oldenburg in Holstein | 4,506.94 mi (7,253.22 km) |
| Hopkinsville to Olfen | 4,464.85 mi (7,185.49 km) |
| Hopkinsville to Olpe | 4,504.89 mi (7,249.92 km) |
| Hopkinsville to Olsberg | 4,518.49 mi (7,271.81 km) |
| Hopkinsville to Oranienburg | 4,644.33 mi (7,474.33 km) |
| Hopkinsville to Ortenberg | 4,573.84 mi (7,360.89 km) |
