| Alessandria to Oswego (Illinois) | 4,565.42 mi (7,347.33 km) |
| Alessandria to Oswego (New York) | 4,010.04 mi (6,453.54 km) |
| Alessandria to Otsego (Minnesota) | 4,606.79 mi (7,413.90 km) |
| Alessandria to Ottawa (Illinois) | 4,599.35 mi (7,401.94 km) |
| Alessandria to Ottawa (Kansas) | 4,980.03 mi (8,014.58 km) |
| Alessandria to Ottumwa (Iowa) | 4,755.67 mi (7,653.51 km) |
| Alessandria to Overland (Missouri) | 4,781.21 mi (7,694.62 km) |
| Alessandria to Overland Park (Kansas) | 4,943.83 mi (7,956.33 km) |
| Alessandria to Overlea (Maryland) | 4,171.76 mi (6,713.79 km) |
| Alessandria to Oviedo (Florida) | 4,841.89 mi (7,792.27 km) |
| Alessandria to Owasso (Oklahoma) | 5,113.58 mi (8,229.51 km) |
| Alessandria to Owatonna (Minnesota) | 4,645.86 mi (7,476.78 km) |
| Alessandria to Owensboro (Kentucky) | 4,690.63 mi (7,548.85 km) |
| Alessandria to Owings Mills (Maryland) | 4,181.71 mi (6,729.81 km) |
| Alessandria to Owosso (Michigan) | 4,342.75 mi (6,988.98 km) |
