| Dunkerque to Opwijk | 78.67 mi (126.61 km) |
| Dunkerque to Ostend | 26.83 mi (43.18 km) |
| Dunkerque to Oud-Heverlee | 100.67 mi (162.02 km) |
| Dunkerque to Oud-Turnhout | 114.49 mi (184.26 km) |
| Dunkerque to Oudenaarde | 54.79 mi (88.17 km) |
| Dunkerque to Oudenburg | 28.80 mi (46.35 km) |
| Dunkerque to Oupeye | 144.18 mi (232.04 km) |
| Dunkerque to Overijse | 95.55 mi (153.78 km) |
| Dunkerque to Overpelt | 132.35 mi (213.00 km) |
| Dunkerque to Paal | 121.44 mi (195.43 km) |
| Dunkerque to Peer | 133.66 mi (215.10 km) |
| Dunkerque to Pepinster | 153.66 mi (247.29 km) |
| Dunkerque to Peruwelz | 63.83 mi (102.72 km) |
| Dunkerque to Perwez | 110.15 mi (177.27 km) |
| Dunkerque to Philippeville | 111.46 mi (179.38 km) |
