| Hazebrouck to Navodari | 1,286.39 mi (2,070.25 km) |
| Hazebrouck to Negresti-Oas | 958.08 mi (1,541.87 km) |
| Hazebrouck to Nehoiu | 1,153.01 mi (1,855.59 km) |
| Hazebrouck to Ocna Mures | 1,015.87 mi (1,634.88 km) |
| Hazebrouck to Odobesti | 1,173.18 mi (1,888.04 km) |
| Hazebrouck to Odorheiu Secuiesc | 1,080.49 mi (1,738.88 km) |
| Hazebrouck to Oltenita | 1,209.77 mi (1,946.93 km) |
| Hazebrouck to Onesti | 1,145.80 mi (1,843.99 km) |
| Hazebrouck to Oradea | 912.81 mi (1,469.02 km) |
| Hazebrouck to Orastie | 1,003.81 mi (1,615.48 km) |
| Hazebrouck to Oravita | 966.60 mi (1,555.59 km) |
| Hazebrouck to Orsova | 1,007.64 mi (1,621.63 km) |
| Hazebrouck to Otelu Rosu | 978.37 mi (1,574.54 km) |
| Hazebrouck to Otopeni | 1,169.43 mi (1,882.02 km) |
| Hazebrouck to Ovidiu | 1,285.83 mi (2,069.35 km) |
