| Targu Frumos to Octeville | 1,316.50 mi (2,118.70 km) |
| Targu Frumos to Oignies | 1,110.09 mi (1,786.51 km) |
| Targu Frumos to Oissel | 1,195.08 mi (1,923.30 km) |
| Targu Frumos to Olivet | 1,167.10 mi (1,878.27 km) |
| Targu Frumos to Ollioules | 1,064.91 mi (1,713.81 km) |
| Targu Frumos to Olonne-sur-Mer | 1,352.73 mi (2,177.01 km) |
| Targu Frumos to Oloron-Sainte-Marie | 1,365.38 mi (2,197.37 km) |
| Targu Frumos to Onet Village | 1,187.79 mi (1,911.56 km) |
| Targu Frumos to Onnaing | 1,083.26 mi (1,743.34 km) |
| Targu Frumos to Orange | 1,088.83 mi (1,752.31 km) |
| Targu Frumos to Orchies | 1,099.09 mi (1,768.82 km) |
| Targu Frumos to Orleans | 1,166.39 mi (1,877.12 km) |
| Targu Frumos to Orly | 1,138.68 mi (1,832.54 km) |
| Targu Frumos to Ormesson-sur-Marne | 1,131.88 mi (1,821.58 km) |
| Targu Frumos to Orsay | 1,148.25 mi (1,847.92 km) |
