| Berkley to Orbetello | 4,527.93 mi (7,287.00 km) |
| Berkley to Oria | 4,872.30 mi (7,841.21 km) |
| Berkley to Oristano | 4,520.53 mi (7,275.09 km) |
| Berkley to Orta Nova | 4,758.27 mi (7,657.70 km) |
| Berkley to Orte | 4,575.23 mi (7,363.12 km) |
| Berkley to Ortona | 4,661.68 mi (7,502.25 km) |
| Berkley to Orvieto | 4,553.34 mi (7,327.89 km) |
| Berkley to Orzinuovi | 4,357.90 mi (7,013.35 km) |
| Berkley to Osimo | 4,577.34 mi (7,366.52 km) |
| Berkley to Ospitaletto | 4,357.44 mi (7,012.63 km) |
| Berkley to Ostuni | 4,859.97 mi (7,821.37 km) |
| Berkley to Ottaviano | 4,728.59 mi (7,609.92 km) |
| Berkley to Ovada | 4,335.42 mi (6,977.19 km) |
| Berkley to Ozieri | 4,510.66 mi (7,259.21 km) |
| Berkley to Paceco | 4,770.29 mi (7,677.04 km) |
