| Bucyrus to Orbetello | 4,588.34 mi (7,384.22 km) |
| Bucyrus to Oria | 4,935.27 mi (7,942.54 km) |
| Bucyrus to Oristano | 4,574.65 mi (7,362.18 km) |
| Bucyrus to Orta Nova | 4,820.77 mi (7,758.28 km) |
| Bucyrus to Orte | 4,636.63 mi (7,461.94 km) |
| Bucyrus to Ortona | 4,724.58 mi (7,603.48 km) |
| Bucyrus to Orvieto | 4,614.92 mi (7,426.99 km) |
| Bucyrus to Orzinuovi | 4,421.99 mi (7,116.51 km) |
| Bucyrus to Osimo | 4,641.20 mi (7,469.30 km) |
| Bucyrus to Ospitaletto | 4,421.89 mi (7,116.35 km) |
| Bucyrus to Ostuni | 4,923.23 mi (7,923.17 km) |
| Bucyrus to Ottaviano | 4,789.31 mi (7,707.66 km) |
| Bucyrus to Ovada | 4,397.32 mi (7,076.80 km) |
| Bucyrus to Ozieri | 4,566.24 mi (7,348.66 km) |
| Bucyrus to Paceco | 4,824.94 mi (7,764.99 km) |
