| Walker to Opwijk | 4,006.12 mi (6,447.22 km) |
| Walker to Ostend | 3,949.66 mi (6,356.36 km) |
| Walker to Oud-Heverlee | 4,028.94 mi (6,483.96 km) |
| Walker to Oud-Turnhout | 4,023.72 mi (6,475.55 km) |
| Walker to Oudenaarde | 3,988.22 mi (6,418.42 km) |
| Walker to Oudenburg | 3,954.14 mi (6,363.57 km) |
| Walker to Oupeye | 4,069.95 mi (6,549.96 km) |
| Walker to Overijse | 4,025.70 mi (6,478.73 km) |
| Walker to Overpelt | 4,043.35 mi (6,507.14 km) |
| Walker to Paal | 4,040.58 mi (6,502.69 km) |
| Walker to Peer | 4,047.70 mi (6,514.15 km) |
| Walker to Pepinster | 4,081.55 mi (6,568.61 km) |
| Walker to Peruwelz | 3,999.17 mi (6,436.04 km) |
| Walker to Perwez | 4,041.92 mi (6,504.84 km) |
| Walker to Philippeville | 4,046.98 mi (6,512.99 km) |
