| Seregno to Oswego (Illinois) | 4,558.75 mi (7,336.60 km) |
| Seregno to Oswego (New York) | 4,007.79 mi (6,449.92 km) |
| Seregno to Otsego (Minnesota) | 4,594.43 mi (7,394.02 km) |
| Seregno to Ottawa (Illinois) | 4,592.70 mi (7,391.24 km) |
| Seregno to Ottawa (Kansas) | 4,972.00 mi (8,001.65 km) |
| Seregno to Ottumwa (Iowa) | 4,747.35 mi (7,640.12 km) |
| Seregno to Overland (Missouri) | 4,775.89 mi (7,686.05 km) |
| Seregno to Overland Park (Kansas) | 4,935.91 mi (7,943.58 km) |
| Seregno to Overlea (Maryland) | 4,173.44 mi (6,716.50 km) |
| Seregno to Oviedo (Florida) | 4,850.11 mi (7,805.50 km) |
| Seregno to Owasso (Oklahoma) | 5,106.94 mi (8,218.83 km) |
| Seregno to Owatonna (Minnesota) | 4,634.64 mi (7,458.74 km) |
| Seregno to Owensboro (Kentucky) | 4,687.91 mi (7,544.47 km) |
| Seregno to Owings Mills (Maryland) | 4,183.20 mi (6,732.21 km) |
| Seregno to Owosso (Michigan) | 4,337.11 mi (6,979.90 km) |
