| Catarroja to Opwijk | 829.21 mi (1,334.49 km) |
| Catarroja to Ostend | 832.47 mi (1,339.73 km) |
| Catarroja to Oud-Heverlee | 827.06 mi (1,331.03 km) |
| Catarroja to Oud-Turnhout | 863.13 mi (1,389.07 km) |
| Catarroja to Oudenaarde | 814.34 mi (1,310.55 km) |
| Catarroja to Oudenburg | 830.36 mi (1,336.34 km) |
| Catarroja to Oupeye | 834.34 mi (1,342.74 km) |
| Catarroja to Overijse | 821.90 mi (1,322.71 km) |
| Catarroja to Overpelt | 863.19 mi (1,389.17 km) |
| Catarroja to Paal | 847.96 mi (1,364.65 km) |
| Catarroja to Peer | 858.38 mi (1,381.42 km) |
| Catarroja to Pepinster | 828.37 mi (1,333.13 km) |
| Catarroja to Peruwelz | 791.95 mi (1,274.53 km) |
| Catarroja to Perwez | 815.63 mi (1,312.63 km) |
| Catarroja to Philippeville | 784.11 mi (1,261.90 km) |
