| San Pietro Vernotico to Oerlinghausen | 909.72 mi (1,464.05 km) |
| San Pietro Vernotico to Oestrich-Winkel | 817.85 mi (1,316.20 km) |
| San Pietro Vernotico to Offenburg | 742.40 mi (1,194.77 km) |
| San Pietro Vernotico to Oftersheim | 767.79 mi (1,235.64 km) |
| San Pietro Vernotico to Ohrdruf | 796.40 mi (1,281.69 km) |
| San Pietro Vernotico to Ohringen | 732.58 mi (1,178.97 km) |
| San Pietro Vernotico to Olbernhau | 739.27 mi (1,189.74 km) |
| San Pietro Vernotico to Olching | 627.91 mi (1,010.52 km) |
| San Pietro Vernotico to Oldenburg | 988.62 mi (1,591.02 km) |
| San Pietro Vernotico to Oldenburg in Holstein | 1,010.52 mi (1,626.27 km) |
| San Pietro Vernotico to Olfen | 927.16 mi (1,492.12 km) |
| San Pietro Vernotico to Olpe | 877.00 mi (1,411.39 km) |
| San Pietro Vernotico to Olsberg | 878.79 mi (1,414.28 km) |
| San Pietro Vernotico to Oranienburg | 877.57 mi (1,412.32 km) |
| San Pietro Vernotico to Ortenberg | 808.36 mi (1,300.94 km) |
