| Hialeah to Orbetello | 5,107.88 mi (8,220.34 km) |
| Hialeah to Oria | 5,466.14 mi (8,796.90 km) |
| Hialeah to Oristano | 5,040.33 mi (8,111.63 km) |
| Hialeah to Orta Nova | 5,351.08 mi (8,611.74 km) |
| Hialeah to Orte | 5,163.24 mi (8,309.44 km) |
| Hialeah to Ortona | 5,261.40 mi (8,467.41 km) |
| Hialeah to Orvieto | 5,143.72 mi (8,278.02 km) |
| Hialeah to Orzinuovi | 4,978.73 mi (8,012.50 km) |
| Hialeah to Osimo | 5,188.94 mi (8,350.79 km) |
| Hialeah to Ospitaletto | 4,981.66 mi (8,017.20 km) |
| Hialeah to Ostuni | 5,457.00 mi (8,782.19 km) |
| Hialeah to Ottaviano | 5,305.14 mi (8,537.80 km) |
| Hialeah to Ovada | 4,936.01 mi (7,943.74 km) |
| Hialeah to Ozieri | 5,044.87 mi (8,118.93 km) |
| Hialeah to Paceco | 5,286.60 mi (8,507.96 km) |
