| North Highlands to Opwijk | 5,423.45 mi (8,728.21 km) |
| North Highlands to Ostend | 5,374.04 mi (8,648.68 km) |
| North Highlands to Oud-Heverlee | 5,444.10 mi (8,761.43 km) |
| North Highlands to Oud-Turnhout | 5,427.34 mi (8,734.45 km) |
| North Highlands to Oudenaarde | 5,413.04 mi (8,711.45 km) |
| North Highlands to Oudenburg | 5,378.55 mi (8,655.94 km) |
| North Highlands to Oupeye | 5,478.00 mi (8,816.00 km) |
| North Highlands to Overijse | 5,442.99 mi (8,759.64 km) |
| North Highlands to Overpelt | 5,444.63 mi (8,762.29 km) |
| North Highlands to Paal | 5,447.32 mi (8,766.61 km) |
| North Highlands to Peer | 5,450.12 mi (8,771.11 km) |
| North Highlands to Pepinster | 5,490.39 mi (8,835.93 km) |
| North Highlands to Peruwelz | 5,430.00 mi (8,738.75 km) |
| North Highlands to Perwez | 5,459.34 mi (8,785.96 km) |
| North Highlands to Philippeville | 5,474.29 mi (8,810.01 km) |
