| Tarboro to Orbetello | 4,552.18 mi (7,326.02 km) |
| Tarboro to Oria | 4,907.38 mi (7,897.66 km) |
| Tarboro to Oristano | 4,511.39 mi (7,260.39 km) |
| Tarboro to Orta Nova | 4,791.80 mi (7,711.65 km) |
| Tarboro to Orte | 4,604.44 mi (7,410.13 km) |
| Tarboro to Ortona | 4,698.28 mi (7,561.14 km) |
| Tarboro to Orvieto | 4,583.69 mi (7,376.74 km) |
| Tarboro to Orzinuovi | 4,403.90 mi (7,087.39 km) |
| Tarboro to Osimo | 4,619.96 mi (7,435.11 km) |
| Tarboro to Ospitaletto | 4,405.39 mi (7,089.79 km) |
| Tarboro to Ostuni | 4,896.74 mi (7,880.54 km) |
| Tarboro to Ottaviano | 4,752.73 mi (7,648.78 km) |
| Tarboro to Ovada | 4,369.59 mi (7,032.18 km) |
| Tarboro to Ozieri | 4,509.31 mi (7,257.04 km) |
| Tarboro to Paceco | 4,761.67 mi (7,663.17 km) |
