| Half Moon Bay to Opwijk | 5,524.58 mi (8,890.95 km) |
| Half Moon Bay to Ostend | 5,475.21 mi (8,811.50 km) |
| Half Moon Bay to Oud-Heverlee | 5,545.20 mi (8,924.14 km) |
| Half Moon Bay to Oud-Turnhout | 5,528.38 mi (8,897.07 km) |
| Half Moon Bay to Oudenaarde | 5,514.20 mi (8,874.25 km) |
| Half Moon Bay to Oudenburg | 5,479.72 mi (8,818.76 km) |
| Half Moon Bay to Oupeye | 5,579.06 mi (8,978.63 km) |
| Half Moon Bay to Overijse | 5,544.11 mi (8,922.38 km) |
| Half Moon Bay to Overpelt | 5,545.66 mi (8,924.87 km) |
| Half Moon Bay to Paal | 5,548.38 mi (8,929.25 km) |
| Half Moon Bay to Peer | 5,551.15 mi (8,933.71 km) |
| Half Moon Bay to Pepinster | 5,591.45 mi (8,998.57 km) |
| Half Moon Bay to Peruwelz | 5,531.19 mi (8,901.59 km) |
| Half Moon Bay to Perwez | 5,560.45 mi (8,948.68 km) |
| Half Moon Bay to Philippeville | 5,575.45 mi (8,972.81 km) |
