| Morton to Opwijk | 4,258.01 mi (6,852.60 km) |
| Morton to Ostend | 4,201.59 mi (6,761.80 km) |
| Morton to Oud-Heverlee | 4,280.82 mi (6,889.32 km) |
| Morton to Oud-Turnhout | 4,275.46 mi (6,880.69 km) |
| Morton to Oudenaarde | 4,240.18 mi (6,823.90 km) |
| Morton to Oudenburg | 4,206.07 mi (6,769.02 km) |
| Morton to Oupeye | 4,321.78 mi (6,955.23 km) |
| Morton to Overijse | 4,277.60 mi (6,884.13 km) |
| Morton to Overpelt | 4,295.07 mi (6,912.25 km) |
| Morton to Paal | 4,292.37 mi (6,907.91 km) |
| Morton to Peer | 4,299.45 mi (6,919.29 km) |
| Morton to Pepinster | 4,333.39 mi (6,973.91 km) |
| Morton to Peruwelz | 4,251.18 mi (6,841.61 km) |
| Morton to Perwez | 4,293.83 mi (6,910.25 km) |
| Morton to Philippeville | 4,298.99 mi (6,918.55 km) |
