| Gardony to Octeville | 940.85 mi (1,514.15 km) |
| Gardony to Oignies | 743.67 mi (1,196.83 km) |
| Gardony to Oissel | 817.21 mi (1,315.18 km) |
| Gardony to Olivet | 779.31 mi (1,254.18 km) |
| Gardony to Ollioules | 680.91 mi (1,095.82 km) |
| Gardony to Olonne-sur-Mer | 961.16 mi (1,546.85 km) |
| Gardony to Oloron-Sainte-Marie | 972.76 mi (1,565.51 km) |
| Gardony to Onet Village | 794.56 mi (1,278.72 km) |
| Gardony to Onnaing | 716.48 mi (1,153.06 km) |
| Gardony to Orange | 697.90 mi (1,123.17 km) |
| Gardony to Orchies | 732.97 mi (1,179.60 km) |
| Gardony to Orleans | 778.80 mi (1,253.35 km) |
| Gardony to Orly | 756.24 mi (1,217.05 km) |
| Gardony to Ormesson-sur-Marne | 749.73 mi (1,206.57 km) |
| Gardony to Orsay | 765.50 mi (1,231.95 km) |
