| Le Portel to Navodari | 1,327.88 mi (2,137.01 km) |
| Le Portel to Negresti-Oas | 1,000.19 mi (1,609.65 km) |
| Le Portel to Nehoiu | 1,194.56 mi (1,922.45 km) |
| Le Portel to Ocna Mures | 1,057.50 mi (1,701.88 km) |
| Le Portel to Odobesti | 1,214.97 mi (1,955.31 km) |
| Le Portel to Odorheiu Secuiesc | 1,122.28 mi (1,806.13 km) |
| Le Portel to Oltenita | 1,250.78 mi (2,012.94 km) |
| Le Portel to Onesti | 1,187.73 mi (1,911.46 km) |
| Le Portel to Oradea | 954.49 mi (1,536.10 km) |
| Le Portel to Orastie | 1,045.06 mi (1,681.86 km) |
| Le Portel to Oravita | 1,006.91 mi (1,620.47 km) |
| Le Portel to Orsova | 1,047.94 mi (1,686.50 km) |
| Le Portel to Otelu Rosu | 1,019.22 mi (1,640.28 km) |
| Le Portel to Otopeni | 1,210.57 mi (1,948.22 km) |
| Le Portel to Ovidiu | 1,327.29 mi (2,136.06 km) |
