| Heiligenhaus to Opwijk | 123.05 mi (198.03 km) |
| Heiligenhaus to Ostend | 175.04 mi (281.71 km) |
| Heiligenhaus to Oud-Heverlee | 105.28 mi (169.43 km) |
| Heiligenhaus to Oud-Turnhout | 85.65 mi (137.84 km) |
| Heiligenhaus to Oudenaarde | 149.63 mi (240.80 km) |
| Heiligenhaus to Oudenburg | 171.77 mi (276.44 km) |
| Heiligenhaus to Oupeye | 71.26 mi (114.67 km) |
| Heiligenhaus to Overijse | 111.93 mi (180.13 km) |
| Heiligenhaus to Overpelt | 67.36 mi (108.41 km) |
| Heiligenhaus to Paal | 80.03 mi (128.80 km) |
| Heiligenhaus to Peer | 66.69 mi (107.33 km) |
| Heiligenhaus to Pepinster | 72.05 mi (115.96 km) |
| Heiligenhaus to Peruwelz | 157.39 mi (253.29 km) |
| Heiligenhaus to Perwez | 105.14 mi (169.20 km) |
| Heiligenhaus to Philippeville | 130.80 mi (210.50 km) |
