| Maardu to Navodari | 1,058.03 mi (1,702.74 km) |
| Maardu to Negresti-Oas | 804.67 mi (1,294.98 km) |
| Maardu to Nehoiu | 977.41 mi (1,572.98 km) |
| Maardu to Ocna Mures | 905.55 mi (1,457.34 km) |
| Maardu to Odobesti | 951.15 mi (1,530.72 km) |
| Maardu to Odorheiu Secuiesc | 909.63 mi (1,463.91 km) |
| Maardu to Oltenita | 1,065.62 mi (1,714.94 km) |
| Maardu to Onesti | 916.22 mi (1,474.51 km) |
| Maardu to Oradea | 866.41 mi (1,394.36 km) |
| Maardu to Orastie | 944.59 mi (1,520.17 km) |
| Maardu to Oravita | 1,007.14 mi (1,620.83 km) |
| Maardu to Orsova | 1,025.17 mi (1,649.85 km) |
| Maardu to Otelu Rosu | 970.80 mi (1,562.34 km) |
| Maardu to Otopeni | 1,032.37 mi (1,661.44 km) |
| Maardu to Ovidiu | 1,061.22 mi (1,707.87 km) |
