| Tordesillas to Opwijk | 786.37 mi (1,265.54 km) |
| Tordesillas to Ostend | 769.78 mi (1,238.84 km) |
| Tordesillas to Oud-Heverlee | 792.18 mi (1,274.88 km) |
| Tordesillas to Oud-Turnhout | 826.78 mi (1,330.57 km) |
| Tordesillas to Oudenaarde | 764.77 mi (1,230.78 km) |
| Tordesillas to Oudenburg | 769.17 mi (1,237.86 km) |
| Tordesillas to Oupeye | 813.63 mi (1,309.41 km) |
| Tordesillas to Overijse | 785.82 mi (1,264.66 km) |
| Tordesillas to Overpelt | 833.39 mi (1,341.22 km) |
| Tordesillas to Paal | 817.20 mi (1,315.16 km) |
| Tordesillas to Peer | 830.03 mi (1,335.81 km) |
| Tordesillas to Pepinster | 811.70 mi (1,306.30 km) |
| Tordesillas to Peruwelz | 745.75 mi (1,200.17 km) |
| Tordesillas to Perwez | 785.23 mi (1,263.70 km) |
| Tordesillas to Philippeville | 755.39 mi (1,215.69 km) |
