| Galapagar to Opwijk | 817.97 mi (1,316.40 km) |
| Galapagar to Ostend | 806.69 mi (1,298.24 km) |
| Galapagar to Oud-Heverlee | 821.63 mi (1,322.28 km) |
| Galapagar to Oud-Turnhout | 857.05 mi (1,379.29 km) |
| Galapagar to Oudenaarde | 797.98 mi (1,284.23 km) |
| Galapagar to Oudenburg | 805.66 mi (1,296.59 km) |
| Galapagar to Oupeye | 839.36 mi (1,350.82 km) |
| Galapagar to Overijse | 815.53 mi (1,312.46 km) |
| Galapagar to Overpelt | 861.91 mi (1,387.11 km) |
| Galapagar to Paal | 845.80 mi (1,361.18 km) |
| Galapagar to Peer | 858.10 mi (1,380.98 km) |
| Galapagar to Pepinster | 836.27 mi (1,345.84 km) |
| Galapagar to Peruwelz | 777.77 mi (1,251.70 km) |
| Galapagar to Perwez | 813.33 mi (1,308.94 km) |
| Galapagar to Philippeville | 782.63 mi (1,259.52 km) |
