| s-Heerenberg to Opwijk | 108.84 mi (175.16 km) |
| s-Heerenberg to Ostend | 149.80 mi (241.08 km) |
| s-Heerenberg to Oud-Heverlee | 99.18 mi (159.61 km) |
| s-Heerenberg to Oud-Turnhout | 66.57 mi (107.13 km) |
| s-Heerenberg to Oudenaarde | 134.37 mi (216.24 km) |
| s-Heerenberg to Oudenburg | 147.49 mi (237.36 km) |
| s-Heerenberg to Oupeye | 84.80 mi (136.48 km) |
| s-Heerenberg to Overijse | 105.68 mi (170.08 km) |
| s-Heerenberg to Overpelt | 57.85 mi (93.10 km) |
| s-Heerenberg to Paal | 74.02 mi (119.13 km) |
| s-Heerenberg to Peer | 61.65 mi (99.21 km) |
| s-Heerenberg to Pepinster | 92.38 mi (148.67 km) |
| s-Heerenberg to Peruwelz | 148.70 mi (239.30 km) |
| s-Heerenberg to Perwez | 106.37 mi (171.19 km) |
| s-Heerenberg to Philippeville | 137.27 mi (220.91 km) |
