| Machelen to Navodari | 1,207.69 mi (1,943.59 km) |
| Machelen to Negresti-Oas | 876.71 mi (1,410.93 km) |
| Machelen to Nehoiu | 1,074.12 mi (1,728.64 km) |
| Machelen to Ocna Mures | 936.69 mi (1,507.46 km) |
| Machelen to Odobesti | 1,093.26 mi (1,759.44 km) |
| Machelen to Odorheiu Secuiesc | 1,000.65 mi (1,610.39 km) |
| Machelen to Oltenita | 1,132.72 mi (1,822.94 km) |
| Machelen to Onesti | 1,065.35 mi (1,714.52 km) |
| Machelen to Oradea | 833.51 mi (1,341.41 km) |
| Machelen to Orastie | 926.09 mi (1,490.40 km) |
| Machelen to Oravita | 892.05 mi (1,435.61 km) |
| Machelen to Orsova | 933.08 mi (1,501.65 km) |
| Machelen to Otelu Rosu | 902.05 mi (1,451.71 km) |
| Machelen to Otopeni | 1,092.02 mi (1,757.44 km) |
| Machelen to Ovidiu | 1,207.23 mi (1,942.85 km) |
