| Montmelo to Nasaud | 1,158.03 mi (1,863.66 km) |
| Montmelo to Navodari | 1,341.23 mi (2,158.51 km) |
| Montmelo to Negresti-Oas | 1,122.88 mi (1,807.11 km) |
| Montmelo to Nehoiu | 1,229.81 mi (1,979.18 km) |
| Montmelo to Ocna Mures | 1,121.18 mi (1,804.36 km) |
| Montmelo to Odobesti | 1,268.58 mi (2,041.59 km) |
| Montmelo to Odorheiu Secuiesc | 1,188.37 mi (1,912.50 km) |
| Montmelo to Oltenita | 1,243.55 mi (2,001.30 km) |
| Montmelo to Onesti | 1,257.47 mi (2,023.70 km) |
| Montmelo to Oradea | 1,041.02 mi (1,675.36 km) |
| Montmelo to Orastie | 1,084.15 mi (1,744.77 km) |
| Montmelo to Oravita | 1,003.88 mi (1,615.58 km) |
| Montmelo to Orsova | 1,036.18 mi (1,667.57 km) |
| Montmelo to Otelu Rosu | 1,040.40 mi (1,674.35 km) |
| Montmelo to Otopeni | 1,215.81 mi (1,956.66 km) |
