| Alacuas to Octeville | 704.96 mi (1,134.52 km) |
| Alacuas to Oignies | 779.09 mi (1,253.82 km) |
| Alacuas to Oissel | 687.15 mi (1,105.85 km) |
| Alacuas to Olivet | 592.58 mi (953.67 km) |
| Alacuas to Ollioules | 414.48 mi (667.04 km) |
| Alacuas to Olonne-sur-Mer | 493.47 mi (794.16 km) |
| Alacuas to Oloron-Sainte-Marie | 258.23 mi (415.59 km) |
| Alacuas to Onet Village | 373.64 mi (601.31 km) |
| Alacuas to Onnaing | 780.54 mi (1,256.16 km) |
| Alacuas to Orange | 422.08 mi (679.27 km) |
| Alacuas to Orchies | 782.17 mi (1,258.78 km) |
| Alacuas to Orleans | 595.27 mi (958.00 km) |
| Alacuas to Orly | 656.90 mi (1,057.18 km) |
| Alacuas to Ormesson-sur-Marne | 661.29 mi (1,064.25 km) |
| Alacuas to Orsay | 651.71 mi (1,048.83 km) |
