| Rambouillet to Navodari | 1,301.47 mi (2,094.52 km) |
| Rambouillet to Negresti-Oas | 991.46 mi (1,595.59 km) |
| Rambouillet to Nehoiu | 1,170.17 mi (1,883.20 km) |
| Rambouillet to Ocna Mures | 1,035.97 mi (1,667.23 km) |
| Rambouillet to Odobesti | 1,195.47 mi (1,923.92 km) |
| Rambouillet to Odorheiu Secuiesc | 1,103.31 mi (1,775.60 km) |
| Rambouillet to Oltenita | 1,217.90 mi (1,960.01 km) |
| Rambouillet to Onesti | 1,171.41 mi (1,885.20 km) |
| Rambouillet to Oradea | 934.93 mi (1,504.63 km) |
| Rambouillet to Orastie | 1,017.18 mi (1,636.99 km) |
| Rambouillet to Oravita | 967.73 mi (1,557.40 km) |
| Rambouillet to Orsova | 1,008.20 mi (1,622.54 km) |
| Rambouillet to Otelu Rosu | 986.17 mi (1,587.09 km) |
| Rambouillet to Otopeni | 1,179.56 mi (1,898.33 km) |
| Rambouillet to Ovidiu | 1,300.42 mi (2,092.82 km) |
