| Preili to Opwijk | 988.38 mi (1,590.64 km) |
| Preili to Ostend | 1,026.99 mi (1,652.78 km) |
| Preili to Oud-Heverlee | 975.06 mi (1,569.20 km) |
| Preili to Oud-Turnhout | 946.24 mi (1,522.82 km) |
| Preili to Oudenaarde | 1,014.35 mi (1,632.43 km) |
| Preili to Oudenburg | 1,025.38 mi (1,650.19 km) |
| Preili to Oupeye | 943.35 mi (1,518.17 km) |
| Preili to Overijse | 981.83 mi (1,580.10 km) |
| Preili to Overpelt | 933.49 mi (1,502.31 km) |
| Preili to Paal | 948.84 mi (1,527.01 km) |
| Preili to Peer | 935.06 mi (1,504.83 km) |
| Preili to Pepinster | 942.21 mi (1,516.35 km) |
| Preili to Peruwelz | 1,026.93 mi (1,652.68 km) |
| Preili to Perwez | 977.14 mi (1,572.55 km) |
| Preili to Philippeville | 1,002.80 mi (1,613.84 km) |
