| Melvindale to Orbetello | 4,536.53 mi (7,300.84 km) |
| Melvindale to Oria | 4,881.22 mi (7,855.57 km) |
| Melvindale to Oristano | 4,528.35 mi (7,287.67 km) |
| Melvindale to Orta Nova | 4,767.13 mi (7,671.96 km) |
| Melvindale to Orte | 4,583.95 mi (7,377.16 km) |
| Melvindale to Ortona | 4,670.59 mi (7,516.59 km) |
| Melvindale to Orvieto | 4,562.08 mi (7,341.96 km) |
| Melvindale to Orzinuovi | 4,366.94 mi (7,027.91 km) |
| Melvindale to Osimo | 4,586.37 mi (7,381.05 km) |
| Melvindale to Ospitaletto | 4,366.53 mi (7,027.25 km) |
| Melvindale to Ostuni | 4,868.93 mi (7,835.79 km) |
| Melvindale to Ottaviano | 4,737.23 mi (7,623.84 km) |
| Melvindale to Ovada | 4,344.19 mi (6,991.31 km) |
| Melvindale to Ozieri | 4,518.66 mi (7,272.08 km) |
| Melvindale to Paceco | 4,778.19 mi (7,689.75 km) |
