| Saint-Sebastien-sur-Loire to Navodari | 1,455.94 mi (2,343.11 km) |
| Saint-Sebastien-sur-Loire to Negresti-Oas | 1,158.48 mi (1,864.40 km) |
| Saint-Sebastien-sur-Loire to Nehoiu | 1,326.90 mi (2,135.44 km) |
| Saint-Sebastien-sur-Loire to Ocna Mures | 1,195.60 mi (1,924.14 km) |
| Saint-Sebastien-sur-Loire to Odobesti | 1,355.06 mi (2,180.76 km) |
| Saint-Sebastien-sur-Loire to Odorheiu Secuiesc | 1,263.90 mi (2,034.05 km) |
| Saint-Sebastien-sur-Loire to Oltenita | 1,368.45 mi (2,202.31 km) |
| Saint-Sebastien-sur-Loire to Onesti | 1,333.06 mi (2,145.36 km) |
| Saint-Sebastien-sur-Loire to Oradea | 1,096.70 mi (1,764.97 km) |
| Saint-Sebastien-sur-Loire to Orastie | 1,173.00 mi (1,887.76 km) |
| Saint-Sebastien-sur-Loire to Oravita | 1,116.22 mi (1,796.39 km) |
| Saint-Sebastien-sur-Loire to Orsova | 1,155.77 mi (1,860.04 km) |
| Saint-Sebastien-sur-Loire to Otelu Rosu | 1,138.86 mi (1,832.81 km) |
| Saint-Sebastien-sur-Loire to Otopeni | 1,331.78 mi (2,143.29 km) |
| Saint-Sebastien-sur-Loire to Ovidiu | 1,454.57 mi (2,340.90 km) |
