| Flemalle-Haute to Navodari | 1,159.21 mi (1,865.57 km) |
| Flemalle-Haute to Negresti-Oas | 829.78 mi (1,335.40 km) |
| Flemalle-Haute to Nehoiu | 1,025.71 mi (1,650.72 km) |
| Flemalle-Haute to Ocna Mures | 888.39 mi (1,429.72 km) |
| Flemalle-Haute to Odobesti | 1,045.34 mi (1,682.31 km) |
| Flemalle-Haute to Odorheiu Secuiesc | 952.68 mi (1,533.19 km) |
| Flemalle-Haute to Oltenita | 1,083.70 mi (1,744.05 km) |
| Flemalle-Haute to Onesti | 1,017.75 mi (1,637.91 km) |
| Flemalle-Haute to Oradea | 785.25 mi (1,263.74 km) |
| Flemalle-Haute to Orastie | 877.24 mi (1,411.79 km) |
| Flemalle-Haute to Oravita | 842.55 mi (1,355.95 km) |
| Flemalle-Haute to Orsova | 883.59 mi (1,421.99 km) |
| Flemalle-Haute to Otelu Rosu | 852.84 mi (1,372.51 km) |
| Flemalle-Haute to Otopeni | 1,043.10 mi (1,678.70 km) |
| Flemalle-Haute to Ovidiu | 1,158.71 mi (1,864.77 km) |
