| Pozzuoli to Octeville | 975.73 mi (1,570.28 km) |
| Pozzuoli to Oignies | 854.31 mi (1,374.88 km) |
| Pozzuoli to Oissel | 864.12 mi (1,390.67 km) |
| Pozzuoli to Olivet | 773.89 mi (1,245.45 km) |
| Pozzuoli to Ollioules | 453.92 mi (730.51 km) |
| Pozzuoli to Olonne-sur-Mer | 884.74 mi (1,423.86 km) |
| Pozzuoli to Oloron-Sainte-Marie | 772.62 mi (1,243.41 km) |
| Pozzuoli to Onet Village | 634.70 mi (1,021.45 km) |
| Pozzuoli to Onnaing | 832.26 mi (1,339.39 km) |
| Pozzuoli to Orange | 526.50 mi (847.32 km) |
| Pozzuoli to Orchies | 847.13 mi (1,363.32 km) |
| Pozzuoli to Orleans | 775.08 mi (1,247.37 km) |
| Pozzuoli to Orly | 792.29 mi (1,275.07 km) |
| Pozzuoli to Ormesson-sur-Marne | 789.03 mi (1,269.82 km) |
| Pozzuoli to Orsay | 797.58 mi (1,283.58 km) |
