| Torre Annunziata to Opwijk | 859.27 mi (1,382.87 km) |
| Torre Annunziata to Ostend | 908.38 mi (1,461.90 km) |
| Torre Annunziata to Oud-Heverlee | 838.99 mi (1,350.23 km) |
| Torre Annunziata to Oud-Turnhout | 857.64 mi (1,380.24 km) |
| Torre Annunziata to Oudenaarde | 869.36 mi (1,399.10 km) |
| Torre Annunziata to Oudenburg | 903.87 mi (1,454.63 km) |
| Torre Annunziata to Oupeye | 806.76 mi (1,298.36 km) |
| Torre Annunziata to Overijse | 839.86 mi (1,351.62 km) |
| Torre Annunziata to Overpelt | 841.27 mi (1,353.89 km) |
| Torre Annunziata to Paal | 837.27 mi (1,347.45 km) |
| Torre Annunziata to Peer | 835.58 mi (1,344.73 km) |
| Torre Annunziata to Pepinster | 794.38 mi (1,278.44 km) |
| Torre Annunziata to Peruwelz | 852.56 mi (1,372.07 km) |
| Torre Annunziata to Perwez | 823.60 mi (1,325.45 km) |
| Torre Annunziata to Philippeville | 808.11 mi (1,300.53 km) |
