| Huber Heights to Orbetello | 4,675.67 mi (7,524.76 km) |
| Huber Heights to Oria | 5,022.95 mi (8,083.66 km) |
| Huber Heights to Oristano | 4,660.84 mi (7,500.89 km) |
| Huber Heights to Orta Nova | 4,908.40 mi (7,899.30 km) |
| Huber Heights to Orte | 4,724.11 mi (7,602.72 km) |
| Huber Heights to Ortona | 4,812.27 mi (7,744.60 km) |
| Huber Heights to Orvieto | 4,702.42 mi (7,567.82 km) |
| Huber Heights to Orzinuovi | 4,509.86 mi (7,257.92 km) |
| Huber Heights to Osimo | 4,729.03 mi (7,610.63 km) |
| Huber Heights to Ospitaletto | 4,509.80 mi (7,257.83 km) |
| Huber Heights to Ostuni | 5,010.95 mi (8,064.35 km) |
| Huber Heights to Ottaviano | 4,876.68 mi (7,848.25 km) |
| Huber Heights to Ovada | 4,484.89 mi (7,217.73 km) |
| Huber Heights to Ozieri | 4,652.72 mi (7,487.84 km) |
| Huber Heights to Paceco | 4,911.21 mi (7,903.83 km) |
