| Sesto San Giovanni to Oswego (Illinois) | 4,564.78 mi (7,346.31 km) |
| Sesto San Giovanni to Oswego (New York) | 4,013.37 mi (6,458.90 km) |
| Sesto San Giovanni to Otsego (Minnesota) | 4,600.98 mi (7,404.57 km) |
| Sesto San Giovanni to Ottawa (Illinois) | 4,598.73 mi (7,400.94 km) |
| Sesto San Giovanni to Ottawa (Kansas) | 4,978.16 mi (8,011.58 km) |
| Sesto San Giovanni to Ottumwa (Iowa) | 4,753.54 mi (7,650.08 km) |
| Sesto San Giovanni to Overland (Missouri) | 4,781.79 mi (7,695.55 km) |
| Sesto San Giovanni to Overland Park (Kansas) | 4,942.06 mi (7,953.48 km) |
| Sesto San Giovanni to Overlea (Maryland) | 4,178.60 mi (6,724.81 km) |
| Sesto San Giovanni to Oviedo (Florida) | 4,854.53 mi (7,812.61 km) |
| Sesto San Giovanni to Owasso (Oklahoma) | 5,112.97 mi (8,228.54 km) |
| Sesto San Giovanni to Owatonna (Minnesota) | 4,641.10 mi (7,469.13 km) |
| Sesto San Giovanni to Owensboro (Kentucky) | 4,693.55 mi (7,553.54 km) |
| Sesto San Giovanni to Owings Mills (Maryland) | 4,188.38 mi (6,740.55 km) |
| Sesto San Giovanni to Owosso (Michigan) | 4,343.04 mi (6,989.44 km) |
