| Granollers to Opwijk | 652.84 mi (1,050.64 km) |
| Granollers to Ostend | 665.18 mi (1,070.50 km) |
| Granollers to Oud-Heverlee | 647.35 mi (1,041.81 km) |
| Granollers to Oud-Turnhout | 682.81 mi (1,098.87 km) |
| Granollers to Oudenaarde | 641.58 mi (1,032.52 km) |
| Granollers to Oudenburg | 662.43 mi (1,066.07 km) |
| Granollers to Oupeye | 648.74 mi (1,044.04 km) |
| Granollers to Overijse | 642.87 mi (1,034.60 km) |
| Granollers to Overpelt | 680.22 mi (1,094.71 km) |
| Granollers to Paal | 665.84 mi (1,071.57 km) |
| Granollers to Peer | 674.98 mi (1,086.28 km) |
| Granollers to Pepinster | 641.44 mi (1,032.30 km) |
| Granollers to Peruwelz | 618.60 mi (995.55 km) |
| Granollers to Perwez | 634.47 mi (1,021.08 km) |
| Granollers to Philippeville | 603.42 mi (971.12 km) |
