| Ramnicu Sarat to Octeville | 1,362.61 mi (2,192.91 km) |
| Ramnicu Sarat to Oignies | 1,162.47 mi (1,870.81 km) |
| Ramnicu Sarat to Oissel | 1,239.22 mi (1,994.34 km) |
| Ramnicu Sarat to Olivet | 1,200.72 mi (1,932.38 km) |
| Ramnicu Sarat to Ollioules | 1,057.89 mi (1,702.51 km) |
| Ramnicu Sarat to Olonne-sur-Mer | 1,379.50 mi (2,220.09 km) |
| Ramnicu Sarat to Oloron-Sainte-Marie | 1,369.89 mi (2,204.62 km) |
| Ramnicu Sarat to Onet Village | 1,195.42 mi (1,923.84 km) |
| Ramnicu Sarat to Onnaing | 1,135.32 mi (1,827.13 km) |
| Ramnicu Sarat to Orange | 1,091.50 mi (1,756.59 km) |
| Ramnicu Sarat to Orchies | 1,151.62 mi (1,853.36 km) |
| Ramnicu Sarat to Orleans | 1,200.28 mi (1,931.67 km) |
| Ramnicu Sarat to Orly | 1,178.57 mi (1,896.72 km) |
| Ramnicu Sarat to Ormesson-sur-Marne | 1,172.05 mi (1,886.24 km) |
| Ramnicu Sarat to Orsay | 1,187.81 mi (1,911.60 km) |
