| Middle Island to Nasaud | 4,523.05 mi (7,279.15 km) |
| Middle Island to Navodari | 4,807.32 mi (7,736.64 km) |
| Middle Island to Negresti-Oas | 4,462.43 mi (7,181.58 km) |
| Middle Island to Nehoiu | 4,674.10 mi (7,522.23 km) |
| Middle Island to Ocna Mures | 4,536.72 mi (7,301.15 km) |
| Middle Island to Odobesti | 4,686.83 mi (7,542.73 km) |
| Middle Island to Odorheiu Secuiesc | 4,596.10 mi (7,396.71 km) |
| Middle Island to Oltenita | 4,739.24 mi (7,627.08 km) |
| Middle Island to Onesti | 4,655.20 mi (7,491.82 km) |
| Middle Island to Oradea | 4,434.21 mi (7,136.18 km) |
| Middle Island to Orastie | 4,531.76 mi (7,293.16 km) |
| Middle Island to Oravita | 4,502.34 mi (7,245.81 km) |
| Middle Island to Orsova | 4,543.36 mi (7,311.82 km) |
| Middle Island to Otelu Rosu | 4,510.80 mi (7,259.44 km) |
| Middle Island to Otopeni | 4,697.67 mi (7,560.17 km) |
