| Montfoort to Opwijk | 81.79 mi (131.62 km) |
| Montfoort to Ostend | 104.04 mi (167.43 km) |
| Montfoort to Oud-Heverlee | 84.95 mi (136.71 km) |
| Montfoort to Oud-Turnhout | 50.69 mi (81.57 km) |
| Montfoort to Oudenaarde | 101.26 mi (162.95 km) |
| Montfoort to Oudenburg | 102.88 mi (165.56 km) |
| Montfoort to Oupeye | 97.40 mi (156.75 km) |
| Montfoort to Overijse | 89.34 mi (143.78 km) |
| Montfoort to Overpelt | 60.95 mi (98.10 km) |
| Montfoort to Paal | 70.49 mi (113.45 km) |
| Montfoort to Peer | 66.96 mi (107.76 km) |
| Montfoort to Pepinster | 109.11 mi (175.59 km) |
| Montfoort to Peruwelz | 121.29 mi (195.19 km) |
| Montfoort to Perwez | 98.69 mi (158.83 km) |
| Montfoort to Philippeville | 128.99 mi (207.60 km) |
