| Rouvroy to Navodari | 1,266.77 mi (2,038.67 km) |
| Rouvroy to Negresti-Oas | 940.79 mi (1,514.06 km) |
| Rouvroy to Nehoiu | 1,133.56 mi (1,824.29 km) |
| Rouvroy to Ocna Mures | 996.68 mi (1,603.99 km) |
| Rouvroy to Odobesti | 1,154.47 mi (1,857.94 km) |
| Rouvroy to Odorheiu Secuiesc | 1,061.76 mi (1,708.75 km) |
| Rouvroy to Oltenita | 1,189.15 mi (1,913.75 km) |
| Rouvroy to Onesti | 1,127.56 mi (1,814.64 km) |
| Rouvroy to Oradea | 893.76 mi (1,438.37 km) |
| Rouvroy to Orastie | 983.67 mi (1,583.07 km) |
| Rouvroy to Oravita | 944.85 mi (1,520.59 km) |
| Rouvroy to Orsova | 985.87 mi (1,586.60 km) |
| Rouvroy to Otelu Rosu | 957.47 mi (1,540.90 km) |
| Rouvroy to Otopeni | 1,149.04 mi (1,849.20 km) |
| Rouvroy to Ovidiu | 1,266.14 mi (2,037.66 km) |
