| Morris to Opwijk | 4,182.58 mi (6,731.21 km) |
| Morris to Ostend | 4,126.16 mi (6,640.42 km) |
| Morris to Oud-Heverlee | 4,205.40 mi (6,767.93 km) |
| Morris to Oud-Turnhout | 4,200.03 mi (6,759.30 km) |
| Morris to Oudenaarde | 4,164.75 mi (6,702.52 km) |
| Morris to Oudenburg | 4,130.65 mi (6,647.64 km) |
| Morris to Oupeye | 4,246.35 mi (6,833.84 km) |
| Morris to Overijse | 4,202.17 mi (6,762.74 km) |
| Morris to Overpelt | 4,219.65 mi (6,790.87 km) |
| Morris to Paal | 4,216.95 mi (6,786.52 km) |
| Morris to Peer | 4,224.02 mi (6,797.91 km) |
| Morris to Pepinster | 4,257.96 mi (6,852.53 km) |
| Morris to Peruwelz | 4,175.76 mi (6,720.24 km) |
| Morris to Perwez | 4,218.40 mi (6,788.86 km) |
| Morris to Philippeville | 4,223.57 mi (6,797.17 km) |
