| Venaria Reale to Oerlinghausen | 475.63 mi (765.45 km) |
| Venaria Reale to Oestrich-Winkel | 337.84 mi (543.69 km) |
| Venaria Reale to Offenburg | 231.90 mi (373.20 km) |
| Venaria Reale to Oftersheim | 297.28 mi (478.42 km) |
| Venaria Reale to Ohrdruf | 419.76 mi (675.54 km) |
| Venaria Reale to Ohringen | 295.42 mi (475.43 km) |
| Venaria Reale to Olbernhau | 465.29 mi (748.82 km) |
| Venaria Reale to Olching | 275.42 mi (443.25 km) |
| Venaria Reale to Oldenburg | 555.24 mi (893.57 km) |
| Venaria Reale to Oldenburg in Holstein | 650.73 mi (1,047.24 km) |
| Venaria Reale to Olfen | 456.16 mi (734.12 km) |
| Venaria Reale to Olpe | 407.75 mi (656.22 km) |
| Venaria Reale to Olsberg | 432.44 mi (695.95 km) |
| Venaria Reale to Oranienburg | 585.38 mi (942.07 km) |
| Venaria Reale to Ortenberg | 367.95 mi (592.16 km) |
