| Melbourne to Oerlinghausen | 4,686.16 mi (7,541.65 km) |
| Melbourne to Oestrich-Winkel | 4,700.30 mi (7,564.39 km) |
| Melbourne to Offenburg | 4,730.71 mi (7,613.34 km) |
| Melbourne to Oftersheim | 4,738.80 mi (7,626.35 km) |
| Melbourne to Ohrdruf | 4,795.72 mi (7,717.97 km) |
| Melbourne to Ohringen | 4,781.64 mi (7,695.30 km) |
| Melbourne to Olbernhau | 4,906.09 mi (7,895.59 km) |
| Melbourne to Olching | 4,883.20 mi (7,858.74 km) |
| Melbourne to Oldenburg | 4,643.75 mi (7,473.40 km) |
| Melbourne to Oldenburg in Holstein | 4,723.44 mi (7,601.64 km) |
| Melbourne to Olfen | 4,639.01 mi (7,465.76 km) |
| Melbourne to Olpe | 4,671.87 mi (7,518.65 km) |
| Melbourne to Olsberg | 4,691.70 mi (7,550.56 km) |
| Melbourne to Oranienburg | 4,850.31 mi (7,805.82 km) |
| Melbourne to Ortenberg | 4,736.89 mi (7,623.29 km) |
