| Bad Oldesloe to Oria | 979.70 mi (1,576.68 km) |
| Bad Oldesloe to Oristano | 964.41 mi (1,552.07 km) |
| Bad Oldesloe to Orta Nova | 896.88 mi (1,443.38 km) |
| Bad Oldesloe to Orte | 789.69 mi (1,270.88 km) |
| Bad Oldesloe to Ortona | 813.10 mi (1,308.55 km) |
| Bad Oldesloe to Orvieto | 770.57 mi (1,240.11 km) |
| Bad Oldesloe to Orzinuovi | 581.52 mi (935.87 km) |
| Bad Oldesloe to Osimo | 727.41 mi (1,170.66 km) |
| Bad Oldesloe to Ospitaletto | 570.62 mi (918.32 km) |
| Bad Oldesloe to Ostuni | 963.56 mi (1,550.69 km) |
| Bad Oldesloe to Ottaviano | 915.55 mi (1,473.44 km) |
| Bad Oldesloe to Ovada | 638.48 mi (1,027.54 km) |
| Bad Oldesloe to Ozieri | 916.10 mi (1,474.32 km) |
| Bad Oldesloe to Paceco | 1,098.50 mi (1,767.86 km) |
| Bad Oldesloe to Pachino | 1,202.63 mi (1,935.45 km) |
