| Sortland to Opwijk | 1,280.85 mi (2,061.32 km) |
| Sortland to Ostend | 1,276.35 mi (2,054.09 km) |
| Sortland to Oud-Heverlee | 1,285.26 mi (2,068.43 km) |
| Sortland to Oud-Turnhout | 1,249.71 mi (2,011.21 km) |
| Sortland to Oudenaarde | 1,294.47 mi (2,083.25 km) |
| Sortland to Oudenburg | 1,278.34 mi (2,057.28 km) |
| Sortland to Oupeye | 1,285.07 mi (2,068.11 km) |
| Sortland to Overijse | 1,289.88 mi (2,075.86 km) |
| Sortland to Overpelt | 1,252.58 mi (2,015.84 km) |
| Sortland to Paal | 1,266.75 mi (2,038.63 km) |
| Sortland to Peer | 1,257.94 mi (2,024.46 km) |
| Sortland to Pepinster | 1,293.22 mi (2,081.23 km) |
| Sortland to Peruwelz | 1,317.05 mi (2,119.59 km) |
| Sortland to Perwez | 1,298.03 mi (2,088.98 km) |
| Sortland to Philippeville | 1,329.12 mi (2,139.01 km) |
