| Republic to Nasaud | 5,457.49 mi (8,782.97 km) |
| Republic to Navodari | 5,745.40 mi (9,246.33 km) |
| Republic to Negresti-Oas | 5,396.40 mi (8,684.67 km) |
| Republic to Nehoiu | 5,615.75 mi (9,037.67 km) |
| Republic to Ocna Mures | 5,481.77 mi (8,822.06 km) |
| Republic to Odobesti | 5,620.96 mi (9,046.07 km) |
| Republic to Odorheiu Secuiesc | 5,534.61 mi (8,907.10 km) |
| Republic to Oltenita | 5,689.77 mi (9,156.80 km) |
| Republic to Onesti | 5,586.63 mi (8,990.81 km) |
| Republic to Oradea | 5,382.58 mi (8,662.43 km) |
| Republic to Orastie | 5,484.71 mi (8,826.78 km) |
| Republic to Oravita | 5,469.36 mi (8,802.08 km) |
| Republic to Orsova | 5,509.66 mi (8,866.94 km) |
| Republic to Otelu Rosu | 5,470.65 mi (8,804.16 km) |
| Republic to Otopeni | 5,647.29 mi (9,088.44 km) |
