| La Spezia to Oswego (Illinois) | 4,646.47 mi (7,477.77 km) |
| La Spezia to Oswego (New York) | 4,090.09 mi (6,582.36 km) |
| La Spezia to Otsego (Minnesota) | 4,688.48 mi (7,545.38 km) |
| La Spezia to Ottawa (Illinois) | 4,680.40 mi (7,532.37 km) |
| La Spezia to Ottawa (Kansas) | 5,061.30 mi (8,145.37 km) |
| La Spezia to Ottumwa (Iowa) | 4,836.98 mi (7,784.37 km) |
| La Spezia to Overland (Missouri) | 4,861.99 mi (7,824.62 km) |
| La Spezia to Overland Park (Kansas) | 5,025.08 mi (8,087.09 km) |
| La Spezia to Overlea (Maryland) | 4,250.50 mi (6,840.52 km) |
| La Spezia to Oviedo (Florida) | 4,917.60 mi (7,914.12 km) |
| La Spezia to Owasso (Oklahoma) | 5,194.61 mi (8,359.91 km) |
| La Spezia to Owatonna (Minnesota) | 4,727.48 mi (7,608.15 km) |
| La Spezia to Owensboro (Kentucky) | 4,770.78 mi (7,677.83 km) |
| La Spezia to Owings Mills (Maryland) | 4,260.52 mi (6,856.64 km) |
| La Spezia to Owosso (Michigan) | 4,423.61 mi (7,119.11 km) |
