| Hopa to Orbetello | 1,546.57 mi (2,488.97 km) |
| Hopa to Oria | 1,238.99 mi (1,993.96 km) |
| Hopa to Oristano | 1,713.68 mi (2,757.90 km) |
| Hopa to Orta Nova | 1,328.27 mi (2,137.64 km) |
| Hopa to Orte | 1,487.05 mi (2,393.17 km) |
| Hopa to Ortona | 1,385.90 mi (2,230.40 km) |
| Hopa to Orvieto | 1,498.87 mi (2,412.20 km) |
| Hopa to Orzinuovi | 1,594.31 mi (2,565.80 km) |
| Hopa to Osimo | 1,425.11 mi (2,293.49 km) |
| Hopa to Ospitaletto | 1,587.34 mi (2,554.57 km) |
| Hopa to Ostuni | 1,238.69 mi (1,993.47 km) |
| Hopa to Ottaviano | 1,397.16 mi (2,248.51 km) |
| Hopa to Ovada | 1,659.45 mi (2,670.63 km) |
| Hopa to Ozieri | 1,681.68 mi (2,706.40 km) |
| Hopa to Paceco | 1,545.62 mi (2,487.44 km) |
