| Galdacano to Opwijk | 627.85 mi (1,010.42 km) |
| Galdacano to Ostend | 614.63 mi (989.14 km) |
| Galdacano to Oud-Heverlee | 632.60 mi (1,018.08 km) |
| Galdacano to Oud-Turnhout | 667.63 mi (1,074.44 km) |
| Galdacano to Oudenaarde | 607.13 mi (977.08 km) |
| Galdacano to Oudenburg | 613.71 mi (987.67 km) |
| Galdacano to Oupeye | 652.66 mi (1,050.35 km) |
| Galdacano to Overijse | 626.36 mi (1,008.02 km) |
| Galdacano to Overpelt | 673.46 mi (1,083.83 km) |
| Galdacano to Paal | 657.28 mi (1,057.80 km) |
| Galdacano to Peer | 669.91 mi (1,078.12 km) |
| Galdacano to Pepinster | 650.38 mi (1,046.68 km) |
| Galdacano to Peruwelz | 587.40 mi (945.34 km) |
| Galdacano to Perwez | 625.07 mi (1,005.96 km) |
| Galdacano to Philippeville | 594.87 mi (957.36 km) |
