| Rocca Priora to Opwijk | 753.87 mi (1,213.23 km) |
| Rocca Priora to Ostend | 801.57 mi (1,290.00 km) |
| Rocca Priora to Oud-Heverlee | 734.16 mi (1,181.51 km) |
| Rocca Priora to Oud-Turnhout | 754.44 mi (1,214.15 km) |
| Rocca Priora to Oudenaarde | 762.80 mi (1,227.61 km) |
| Rocca Priora to Oudenburg | 797.09 mi (1,282.79 km) |
| Rocca Priora to Oupeye | 703.60 mi (1,132.33 km) |
| Rocca Priora to Overijse | 734.67 mi (1,182.34 km) |
| Rocca Priora to Overpelt | 738.74 mi (1,188.89 km) |
| Rocca Priora to Paal | 733.84 mi (1,181.01 km) |
| Rocca Priora to Peer | 732.95 mi (1,179.57 km) |
| Rocca Priora to Pepinster | 691.28 mi (1,112.51 km) |
| Rocca Priora to Peruwelz | 745.34 mi (1,199.51 km) |
| Rocca Priora to Perwez | 718.59 mi (1,156.45 km) |
| Rocca Priora to Philippeville | 701.74 mi (1,129.35 km) |
