| Sassari to Oswego (Illinois) | 4,735.32 mi (7,620.76 km) |
| Sassari to Oswego (New York) | 4,163.42 mi (6,700.38 km) |
| Sassari to Otsego (Minnesota) | 4,798.79 mi (7,722.91 km) |
| Sassari to Ottawa (Illinois) | 4,769.11 mi (7,675.14 km) |
| Sassari to Ottawa (Kansas) | 5,154.41 mi (8,295.22 km) |
| Sassari to Ottumwa (Iowa) | 4,931.70 mi (7,936.81 km) |
| Sassari to Overland (Missouri) | 4,945.12 mi (7,958.40 km) |
| Sassari to Overland Park (Kansas) | 5,117.85 mi (8,236.38 km) |
| Sassari to Overlea (Maryland) | 4,307.83 mi (6,932.79 km) |
| Sassari to Oviedo (Florida) | 4,946.26 mi (7,960.23 km) |
| Sassari to Owasso (Oklahoma) | 5,282.01 mi (8,500.58 km) |
| Sassari to Owatonna (Minnesota) | 4,833.41 mi (7,778.63 km) |
| Sassari to Owensboro (Kentucky) | 4,843.99 mi (7,795.66 km) |
| Sassari to Owings Mills (Maryland) | 4,318.58 mi (6,950.08 km) |
| Sassari to Owosso (Michigan) | 4,509.11 mi (7,256.71 km) |
