| Pinehurst to Orbetello | 4,667.84 mi (7,512.16 km) |
| Pinehurst to Oria | 5,022.71 mi (8,083.28 km) |
| Pinehurst to Oristano | 4,628.32 mi (7,448.56 km) |
| Pinehurst to Orta Nova | 4,907.15 mi (7,897.30 km) |
| Pinehurst to Orte | 4,719.90 mi (7,595.95 km) |
| Pinehurst to Ortona | 4,813.43 mi (7,746.47 km) |
| Pinehurst to Orvieto | 4,699.09 mi (7,562.46 km) |
| Pinehurst to Orzinuovi | 4,518.41 mi (7,271.68 km) |
| Pinehurst to Osimo | 4,734.78 mi (7,619.89 km) |
| Pinehurst to Ospitaletto | 4,519.80 mi (7,273.92 km) |
| Pinehurst to Ostuni | 5,011.99 mi (8,066.02 km) |
| Pinehurst to Ottaviano | 4,868.50 mi (7,835.09 km) |
| Pinehurst to Ovada | 4,484.70 mi (7,217.42 km) |
| Pinehurst to Ozieri | 4,625.98 mi (7,444.79 km) |
| Pinehurst to Paceco | 4,878.66 mi (7,851.45 km) |
