| Palm Bay to Orbetello | 5,032.39 mi (8,098.85 km) |
| Palm Bay to Oria | 5,390.30 mi (8,674.84 km) |
| Palm Bay to Oristano | 4,971.99 mi (8,001.65 km) |
| Palm Bay to Orta Nova | 5,274.94 mi (8,489.19 km) |
| Palm Bay to Orte | 5,086.97 mi (8,186.69 km) |
| Palm Bay to Ortona | 5,184.06 mi (8,342.94 km) |
| Palm Bay to Orvieto | 5,067.08 mi (8,154.68 km) |
| Palm Bay to Orzinuovi | 4,897.71 mi (7,882.11 km) |
| Palm Bay to Osimo | 5,109.86 mi (8,223.52 km) |
| Palm Bay to Ospitaletto | 4,900.24 mi (7,886.17 km) |
| Palm Bay to Ostuni | 5,380.72 mi (8,659.44 km) |
| Palm Bay to Ottaviano | 5,230.84 mi (8,418.23 km) |
| Palm Bay to Ovada | 4,857.30 mi (7,817.07 km) |
| Palm Bay to Ozieri | 4,974.76 mi (8,006.11 km) |
| Palm Bay to Paceco | 5,219.72 mi (8,400.33 km) |
