| Galdacano to Octeville | 445.62 mi (717.16 km) |
| Galdacano to Oignies | 570.79 mi (918.59 km) |
| Galdacano to Oissel | 462.04 mi (743.59 km) |
| Galdacano to Olivet | 393.82 mi (633.80 km) |
| Galdacano to Ollioules | 437.78 mi (704.54 km) |
| Galdacano to Olonne-sur-Mer | 234.34 mi (377.14 km) |
| Galdacano to Oloron-Sainte-Marie | 112.78 mi (181.50 km) |
| Galdacano to Onet Village | 282.31 mi (454.33 km) |
| Galdacano to Onnaing | 580.36 mi (934.00 km) |
| Galdacano to Orange | 387.47 mi (623.57 km) |
| Galdacano to Orchies | 576.88 mi (928.41 km) |
| Galdacano to Orleans | 396.18 mi (637.59 km) |
| Galdacano to Orly | 456.21 mi (734.20 km) |
| Galdacano to Ormesson-sur-Marne | 462.42 mi (744.20 km) |
| Galdacano to Orsay | 448.26 mi (721.41 km) |
