| Gateway to Nasaud | 5,582.36 mi (8,983.94 km) |
| Gateway to Navodari | 5,861.51 mi (9,433.19 km) |
| Gateway to Negresti-Oas | 5,522.64 mi (8,887.84 km) |
| Gateway to Nehoiu | 5,727.82 mi (9,218.04 km) |
| Gateway to Ocna Mures | 5,590.14 mi (8,996.46 km) |
| Gateway to Odobesti | 5,744.49 mi (9,244.86 km) |
| Gateway to Odorheiu Secuiesc | 5,652.43 mi (9,096.72 km) |
| Gateway to Oltenita | 5,787.09 mi (9,313.42 km) |
| Gateway to Onesti | 5,714.61 mi (9,196.77 km) |
| Gateway to Oradea | 5,486.96 mi (8,830.41 km) |
| Gateway to Orastie | 5,580.66 mi (8,981.20 km) |
| Gateway to Oravita | 5,542.78 mi (8,920.24 km) |
| Gateway to Orsova | 5,583.73 mi (8,986.15 km) |
| Gateway to Otelu Rosu | 5,555.75 mi (8,941.11 km) |
| Gateway to Otopeni | 5,746.55 mi (9,248.18 km) |
