| Havza to Opwijk | 1,645.94 mi (2,648.88 km) |
| Havza to Ostend | 1,703.31 mi (2,741.22 km) |
| Havza to Oud-Heverlee | 1,623.37 mi (2,612.56 km) |
| Havza to Oud-Turnhout | 1,617.76 mi (2,603.53 km) |
| Havza to Oudenaarde | 1,669.11 mi (2,686.17 km) |
| Havza to Oudenburg | 1,699.30 mi (2,734.76 km) |
| Havza to Oupeye | 1,579.86 mi (2,542.54 km) |
| Havza to Overijse | 1,628.30 mi (2,620.50 km) |
| Havza to Overpelt | 1,597.90 mi (2,571.57 km) |
| Havza to Paal | 1,605.17 mi (2,583.28 km) |
| Havza to Peer | 1,594.91 mi (2,566.76 km) |
| Havza to Pepinster | 1,570.18 mi (2,526.97 km) |
| Havza to Peruwelz | 1,665.34 mi (2,680.11 km) |
| Havza to Perwez | 1,613.90 mi (2,597.32 km) |
| Havza to Philippeville | 1,619.34 mi (2,606.07 km) |
