| Torre Annunziata to Octeville | 991.07 mi (1,594.98 km) |
| Torre Annunziata to Oignies | 867.78 mi (1,396.55 km) |
| Torre Annunziata to Oissel | 878.95 mi (1,414.53 km) |
| Torre Annunziata to Olivet | 789.36 mi (1,270.35 km) |
| Torre Annunziata to Ollioules | 471.20 mi (758.33 km) |
| Torre Annunziata to Olonne-sur-Mer | 901.49 mi (1,450.80 km) |
| Torre Annunziata to Oloron-Sainte-Marie | 790.07 mi (1,271.50 km) |
| Torre Annunziata to Onet Village | 651.83 mi (1,049.01 km) |
| Torre Annunziata to Onnaing | 845.52 mi (1,360.73 km) |
| Torre Annunziata to Orange | 543.48 mi (874.64 km) |
| Torre Annunziata to Orchies | 860.48 mi (1,384.82 km) |
| Torre Annunziata to Orleans | 790.53 mi (1,272.23 km) |
| Torre Annunziata to Orly | 807.07 mi (1,298.85 km) |
| Torre Annunziata to Ormesson-sur-Marne | 803.73 mi (1,293.48 km) |
| Torre Annunziata to Orsay | 812.46 mi (1,307.52 km) |
