| Torre del Greco to Oerlinghausen | 818.76 mi (1,317.67 km) |
| Torre del Greco to Oestrich-Winkel | 707.63 mi (1,138.82 km) |
| Torre del Greco to Offenburg | 618.07 mi (994.68 km) |
| Torre del Greco to Oftersheim | 656.96 mi (1,057.28 km) |
| Torre del Greco to Ohrdruf | 715.72 mi (1,151.85 km) |
| Torre del Greco to Ohringen | 628.34 mi (1,011.22 km) |
| Torre del Greco to Olbernhau | 684.64 mi (1,101.82 km) |
| Torre del Greco to Olching | 534.18 mi (859.69 km) |
| Torre del Greco to Oldenburg | 901.43 mi (1,450.72 km) |
| Torre del Greco to Oldenburg in Holstein | 947.73 mi (1,525.22 km) |
| Torre del Greco to Olfen | 825.33 mi (1,328.24 km) |
| Torre del Greco to Olpe | 773.38 mi (1,244.64 km) |
| Torre del Greco to Olsberg | 782.40 mi (1,259.15 km) |
| Torre del Greco to Oranienburg | 828.77 mi (1,333.78 km) |
| Torre del Greco to Ortenberg | 709.44 mi (1,141.73 km) |
