| Torre Annunziata to Oerlinghausen | 821.40 mi (1,321.92 km) |
| Torre Annunziata to Oestrich-Winkel | 710.46 mi (1,143.38 km) |
| Torre Annunziata to Offenburg | 621.02 mi (999.44 km) |
| Torre Annunziata to Oftersheim | 659.79 mi (1,061.83 km) |
| Torre Annunziata to Ohrdruf | 718.22 mi (1,155.86 km) |
| Torre Annunziata to Ohringen | 631.08 mi (1,015.63 km) |
| Torre Annunziata to Olbernhau | 686.77 mi (1,105.26 km) |
| Torre Annunziata to Olching | 536.76 mi (863.84 km) |
| Torre Annunziata to Oldenburg | 904.05 mi (1,454.93 km) |
| Torre Annunziata to Oldenburg in Holstein | 950.06 mi (1,528.97 km) |
| Torre Annunziata to Olfen | 828.09 mi (1,332.69 km) |
| Torre Annunziata to Olpe | 776.16 mi (1,249.10 km) |
| Torre Annunziata to Olsberg | 785.09 mi (1,263.49 km) |
| Torre Annunziata to Oranienburg | 830.88 mi (1,337.18 km) |
| Torre Annunziata to Ortenberg | 712.15 mi (1,146.09 km) |
