| Genk to Navodari | 1,163.47 mi (1,872.43 km) |
| Genk to Negresti-Oas | 831.17 mi (1,337.64 km) |
| Genk to Nehoiu | 1,029.84 mi (1,657.38 km) |
| Genk to Ocna Mures | 892.30 mi (1,436.01 km) |
| Genk to Odobesti | 1,048.44 mi (1,687.30 km) |
| Genk to Odorheiu Secuiesc | 955.88 mi (1,538.34 km) |
| Genk to Oltenita | 1,089.42 mi (1,753.26 km) |
| Genk to Onesti | 1,020.25 mi (1,641.94 km) |
| Genk to Oradea | 789.09 mi (1,269.92 km) |
| Genk to Orastie | 882.50 mi (1,420.25 km) |
| Genk to Oravita | 850.27 mi (1,368.37 km) |
| Genk to Orsova | 891.26 mi (1,434.35 km) |
| Genk to Otelu Rosu | 859.25 mi (1,382.83 km) |
| Genk to Otopeni | 1,048.53 mi (1,687.45 km) |
| Genk to Ovidiu | 1,163.07 mi (1,871.78 km) |
