| Camp Springs to Orbetello | 4,407.61 mi (7,093.36 km) |
| Camp Springs to Oria | 4,760.72 mi (7,661.64 km) |
| Camp Springs to Oristano | 4,375.86 mi (7,042.26 km) |
| Camp Springs to Orta Nova | 4,645.31 mi (7,475.90 km) |
| Camp Springs to Orte | 4,458.68 mi (7,175.55 km) |
| Camp Springs to Ortona | 4,550.79 mi (7,323.78 km) |
| Camp Springs to Orvieto | 4,437.58 mi (7,141.60 km) |
| Camp Springs to Orzinuovi | 4,253.35 mi (6,845.11 km) |
| Camp Springs to Osimo | 4,470.75 mi (7,194.98 km) |
| Camp Springs to Ospitaletto | 4,254.36 mi (6,846.72 km) |
| Camp Springs to Ostuni | 4,749.62 mi (7,643.78 km) |
| Camp Springs to Ottaviano | 4,608.63 mi (7,416.87 km) |
| Camp Springs to Ovada | 4,222.01 mi (6,794.67 km) |
| Camp Springs to Ozieri | 4,371.60 mi (7,035.40 km) |
| Camp Springs to Paceco | 4,626.55 mi (7,445.72 km) |
