| Niles to Nasaud | 5,006.58 mi (8,057.30 km) |
| Niles to Navodari | 5,294.49 mi (8,520.66 km) |
| Niles to Negresti-Oas | 4,945.48 mi (7,958.98 km) |
| Niles to Nehoiu | 5,164.71 mi (8,311.79 km) |
| Niles to Ocna Mures | 5,030.63 mi (8,096.02 km) |
| Niles to Odobesti | 5,170.13 mi (8,320.51 km) |
| Niles to Odorheiu Secuiesc | 5,083.62 mi (8,181.30 km) |
| Niles to Oltenita | 5,238.59 mi (8,430.69 km) |
| Niles to Onesti | 5,135.86 mi (8,265.37 km) |
| Niles to Oradea | 4,931.38 mi (7,936.29 km) |
| Niles to Orastie | 5,033.47 mi (8,100.59 km) |
| Niles to Oravita | 5,018.14 mi (8,075.92 km) |
| Niles to Orsova | 5,058.43 mi (8,140.76 km) |
| Niles to Otelu Rosu | 5,019.39 mi (8,077.93 km) |
| Niles to Otopeni | 5,196.12 mi (8,362.34 km) |
