| Petite-Synthe to Navodari | 1,298.07 mi (2,089.04 km) |
| Petite-Synthe to Negresti-Oas | 967.71 mi (1,557.38 km) |
| Petite-Synthe to Nehoiu | 1,164.56 mi (1,874.18 km) |
| Petite-Synthe to Ocna Mures | 1,027.21 mi (1,653.14 km) |
| Petite-Synthe to Odobesti | 1,184.02 mi (1,905.50 km) |
| Petite-Synthe to Odorheiu Secuiesc | 1,091.38 mi (1,756.41 km) |
| Petite-Synthe to Oltenita | 1,222.39 mi (1,967.25 km) |
| Petite-Synthe to Onesti | 1,156.24 mi (1,860.79 km) |
| Petite-Synthe to Oradea | 924.07 mi (1,487.14 km) |
| Petite-Synthe to Orastie | 1,016.04 mi (1,635.17 km) |
| Petite-Synthe to Oravita | 980.38 mi (1,577.77 km) |
| Petite-Synthe to Orsova | 1,021.42 mi (1,643.82 km) |
| Petite-Synthe to Otelu Rosu | 991.34 mi (1,595.40 km) |
| Petite-Synthe to Otopeni | 1,181.86 mi (1,902.02 km) |
| Petite-Synthe to Ovidiu | 1,297.57 mi (2,088.24 km) |
