| Dreux to Navodari | 1,322.97 mi (2,129.12 km) |
| Dreux to Negresti-Oas | 1,012.00 mi (1,628.65 km) |
| Dreux to Nehoiu | 1,191.55 mi (1,917.62 km) |
| Dreux to Ocna Mures | 1,057.19 mi (1,701.38 km) |
| Dreux to Odobesti | 1,216.65 mi (1,958.01 km) |
| Dreux to Odorheiu Secuiesc | 1,124.43 mi (1,809.60 km) |
| Dreux to Oltenita | 1,239.60 mi (1,994.94 km) |
| Dreux to Onesti | 1,192.44 mi (1,919.04 km) |
| Dreux to Oradea | 956.01 mi (1,538.55 km) |
| Dreux to Orastie | 1,038.65 mi (1,671.55 km) |
| Dreux to Oravita | 989.55 mi (1,592.53 km) |
| Dreux to Orsova | 1,030.05 mi (1,657.70 km) |
| Dreux to Otelu Rosu | 1,007.82 mi (1,621.93 km) |
| Dreux to Otopeni | 1,201.20 mi (1,933.14 km) |
| Dreux to Ovidiu | 1,321.93 mi (2,127.44 km) |
