| Santa Eulalia del Rio to Opwijk | 837.80 mi (1,348.31 km) |
| Santa Eulalia del Rio to Ostend | 848.43 mi (1,365.42 km) |
| Santa Eulalia del Rio to Oud-Heverlee | 832.69 mi (1,340.08 km) |
| Santa Eulalia del Rio to Oud-Turnhout | 868.23 mi (1,397.27 km) |
| Santa Eulalia del Rio to Oudenaarde | 825.93 mi (1,329.21 km) |
| Santa Eulalia del Rio to Oudenburg | 845.83 mi (1,361.23 km) |
| Santa Eulalia del Rio to Oupeye | 834.32 mi (1,342.71 km) |
| Santa Eulalia del Rio to Overijse | 828.14 mi (1,332.76 km) |
| Santa Eulalia del Rio to Overpelt | 865.79 mi (1,393.35 km) |
| Santa Eulalia del Rio to Paal | 851.37 mi (1,370.14 km) |
| Santa Eulalia del Rio to Peer | 860.56 mi (1,384.93 km) |
| Santa Eulalia del Rio to Pepinster | 826.99 mi (1,330.91 km) |
| Santa Eulalia del Rio to Peruwelz | 803.02 mi (1,292.34 km) |
| Santa Eulalia del Rio to Perwez | 819.92 mi (1,319.53 km) |
| Santa Eulalia del Rio to Philippeville | 788.81 mi (1,269.47 km) |
