| Hopkinsville to Orbetello | 4,948.34 mi (7,963.58 km) |
| Hopkinsville to Oria | 5,296.68 mi (8,524.18 km) |
| Hopkinsville to Oristano | 4,930.08 mi (7,934.19 km) |
| Hopkinsville to Orta Nova | 5,181.95 mi (8,339.55 km) |
| Hopkinsville to Orte | 4,997.23 mi (8,042.27 km) |
| Hopkinsville to Ortona | 5,086.03 mi (8,185.17 km) |
| Hopkinsville to Orvieto | 4,975.63 mi (8,007.50 km) |
| Hopkinsville to Orzinuovi | 4,784.18 mi (7,699.39 km) |
| Hopkinsville to Osimo | 5,003.20 mi (8,051.87 km) |
| Hopkinsville to Ospitaletto | 4,784.26 mi (7,699.52 km) |
| Hopkinsville to Ostuni | 5,284.81 mi (8,505.07 km) |
| Hopkinsville to Ottaviano | 5,149.44 mi (8,287.22 km) |
| Hopkinsville to Ovada | 4,758.30 mi (7,657.75 km) |
| Hopkinsville to Ozieri | 4,922.84 mi (7,922.55 km) |
| Hopkinsville to Paceco | 5,180.65 mi (8,337.45 km) |
