| Milford Mill to Orbetello | 4,379.71 mi (7,048.47 km) |
| Milford Mill to Oria | 4,732.38 mi (7,616.03 km) |
| Milford Mill to Oristano | 4,349.63 mi (7,000.05 km) |
| Milford Mill to Orta Nova | 4,617.02 mi (7,430.37 km) |
| Milford Mill to Orte | 4,430.55 mi (7,130.29 km) |
| Milford Mill to Ortona | 4,522.33 mi (7,277.99 km) |
| Milford Mill to Orvieto | 4,409.40 mi (7,096.24 km) |
| Milford Mill to Orzinuovi | 4,224.38 mi (6,798.48 km) |
| Milford Mill to Osimo | 4,441.99 mi (7,148.70 km) |
| Milford Mill to Ospitaletto | 4,225.29 mi (6,799.96 km) |
| Milford Mill to Ostuni | 4,721.20 mi (7,598.04 km) |
| Milford Mill to Ottaviano | 4,580.78 mi (7,372.06 km) |
| Milford Mill to Ovada | 4,193.59 mi (6,748.93 km) |
| Milford Mill to Ozieri | 4,344.96 mi (6,992.54 km) |
| Milford Mill to Paceco | 4,600.35 mi (7,403.56 km) |
