| Socastee to Orbetello | 4,709.81 mi (7,579.71 km) |
| Socastee to Oria | 5,065.87 mi (8,152.73 km) |
| Socastee to Oristano | 4,664.35 mi (7,506.55 km) |
| Socastee to Orta Nova | 4,950.27 mi (7,966.69 km) |
| Socastee to Orte | 4,762.65 mi (7,664.75 km) |
| Socastee to Ortona | 4,857.29 mi (7,817.06 km) |
| Socastee to Orvieto | 4,742.09 mi (7,631.65 km) |
| Socastee to Orzinuovi | 4,564.57 mi (7,345.96 km) |
| Socastee to Osimo | 4,779.87 mi (7,692.46 km) |
| Socastee to Ospitaletto | 4,566.29 mi (7,348.74 km) |
| Socastee to Ostuni | 5,055.47 mi (8,135.99 km) |
| Socastee to Ottaviano | 4,910.02 mi (7,901.91 km) |
| Socastee to Ovada | 4,528.85 mi (7,288.47 km) |
| Socastee to Ozieri | 4,663.44 mi (7,505.07 km) |
| Socastee to Paceco | 4,914.22 mi (7,908.67 km) |
