| Laveno-Mombello to Oswego (Illinois) | 4,525.63 mi (7,283.30 km) |
| Laveno-Mombello to Oswego (New York) | 3,974.64 mi (6,396.56 km) |
| Laveno-Mombello to Otsego (Minnesota) | 4,561.65 mi (7,341.26 km) |
| Laveno-Mombello to Ottawa (Illinois) | 4,559.58 mi (7,337.94 km) |
| Laveno-Mombello to Ottawa (Kansas) | 4,938.93 mi (7,948.44 km) |
| Laveno-Mombello to Ottumwa (Iowa) | 4,714.29 mi (7,586.92 km) |
| Laveno-Mombello to Overland (Missouri) | 4,742.74 mi (7,632.70 km) |
| Laveno-Mombello to Overland Park (Kansas) | 4,902.83 mi (7,890.35 km) |
| Laveno-Mombello to Overlea (Maryland) | 4,140.41 mi (6,663.35 km) |
| Laveno-Mombello to Oviedo (Florida) | 4,817.64 mi (7,753.24 km) |
| Laveno-Mombello to Owasso (Oklahoma) | 5,073.82 mi (8,165.52 km) |
| Laveno-Mombello to Owatonna (Minnesota) | 4,601.77 mi (7,405.83 km) |
| Laveno-Mombello to Owensboro (Kentucky) | 4,654.75 mi (7,491.10 km) |
| Laveno-Mombello to Owings Mills (Maryland) | 4,150.17 mi (6,679.05 km) |
| Laveno-Mombello to Owosso (Michigan) | 4,303.96 mi (6,926.56 km) |
