| Libourne to Navodari | 1,412.07 mi (2,272.51 km) |
| Libourne to Negresti-Oas | 1,141.24 mi (1,836.64 km) |
| Libourne to Nehoiu | 1,288.26 mi (2,073.26 km) |
| Libourne to Ocna Mures | 1,163.79 mi (1,872.94 km) |
| Libourne to Odobesti | 1,320.92 mi (2,125.82 km) |
| Libourne to Odorheiu Secuiesc | 1,232.74 mi (1,983.91 km) |
| Libourne to Oltenita | 1,319.62 mi (2,123.72 km) |
| Libourne to Onesti | 1,302.86 mi (2,096.76 km) |
| Libourne to Oradea | 1,070.39 mi (1,722.62 km) |
| Libourne to Orastie | 1,135.19 mi (1,826.92 km) |
| Libourne to Oravita | 1,068.30 mi (1,719.27 km) |
| Libourne to Orsova | 1,105.80 mi (1,779.62 km) |
| Libourne to Otelu Rosu | 1,096.72 mi (1,764.99 km) |
| Libourne to Otopeni | 1,285.91 mi (2,069.48 km) |
| Libourne to Ovidiu | 1,410.22 mi (2,269.53 km) |
