| Palmerston to Opwijk | 476.48 mi (766.82 km) |
| Palmerston to Ostend | 419.12 mi (674.51 km) |
| Palmerston to Oud-Heverlee | 499.47 mi (803.82 km) |
| Palmerston to Oud-Turnhout | 499.25 mi (803.47 km) |
| Palmerston to Oudenaarde | 456.91 mi (735.33 km) |
| Palmerston to Oudenburg | 423.51 mi (681.57 km) |
| Palmerston to Oupeye | 541.88 mi (872.07 km) |
| Palmerston to Overijse | 495.64 mi (797.66 km) |
| Palmerston to Overpelt | 519.22 mi (835.60 km) |
| Palmerston to Paal | 513.96 mi (827.15 km) |
| Palmerston to Peer | 522.82 mi (841.40 km) |
| Palmerston to Pepinster | 552.88 mi (889.77 km) |
| Palmerston to Peruwelz | 466.85 mi (751.32 km) |
| Palmerston to Perwez | 511.51 mi (823.19 km) |
| Palmerston to Philippeville | 514.73 mi (828.37 km) |
