| Haaksbergen to Opwijk | 137.25 mi (220.88 km) |
| Haaksbergen to Ostend | 176.04 mi (283.31 km) |
| Haaksbergen to Oud-Heverlee | 127.70 mi (205.51 km) |
| Haaksbergen to Oud-Turnhout | 95.02 mi (152.92 km) |
| Haaksbergen to Oudenaarde | 162.53 mi (261.57 km) |
| Haaksbergen to Oudenburg | 174.00 mi (280.03 km) |
| Haaksbergen to Oupeye | 110.43 mi (177.73 km) |
| Haaksbergen to Overijse | 134.23 mi (216.02 km) |
| Haaksbergen to Overpelt | 86.14 mi (138.63 km) |
| Haaksbergen to Paal | 102.33 mi (164.69 km) |
| Haaksbergen to Peer | 89.60 mi (144.20 km) |
| Haaksbergen to Pepinster | 116.57 mi (187.60 km) |
| Haaksbergen to Peruwelz | 177.24 mi (285.23 km) |
| Haaksbergen to Perwez | 134.44 mi (216.36 km) |
| Haaksbergen to Philippeville | 165.01 mi (265.56 km) |
