| San Carlos Park to Orbetello | 5,152.90 mi (8,292.79 km) |
| San Carlos Park to Oria | 5,510.93 mi (8,868.99 km) |
| San Carlos Park to Oristano | 5,090.44 mi (8,192.27 km) |
| San Carlos Park to Orta Nova | 5,395.64 mi (8,683.45 km) |
| San Carlos Park to Orte | 5,207.69 mi (8,380.97 km) |
| San Carlos Park to Ortona | 5,305.06 mi (8,537.68 km) |
| San Carlos Park to Orvieto | 5,187.89 mi (8,349.11 km) |
| San Carlos Park to Orzinuovi | 5,019.57 mi (8,078.23 km) |
| San Carlos Park to Osimo | 5,231.28 mi (8,418.94 km) |
| San Carlos Park to Ospitaletto | 5,022.19 mi (8,082.43 km) |
| San Carlos Park to Ostuni | 5,501.47 mi (8,853.76 km) |
| San Carlos Park to Ottaviano | 5,351.05 mi (8,611.68 km) |
| San Carlos Park to Ovada | 4,978.61 mi (8,012.30 km) |
| San Carlos Park to Ozieri | 5,093.74 mi (8,197.59 km) |
| San Carlos Park to Paceco | 5,337.74 mi (8,590.26 km) |
