| Laveno-Mombello to Orangevale (California) | 5,817.88 mi (9,362.97 km) |
| Laveno-Mombello to Orchards (Washington) | 5,445.12 mi (8,763.08 km) |
| Laveno-Mombello to Orcutt (California) | 6,016.32 mi (9,682.34 km) |
| Laveno-Mombello to Oregon (Ohio) | 4,331.81 mi (6,971.38 km) |
| Laveno-Mombello to Oregon (Wisconsin) | 4,510.53 mi (7,259.00 km) |
| Laveno-Mombello to Oregon City (Oregon) | 5,467.01 mi (8,798.30 km) |
| Laveno-Mombello to Orem (Utah) | 5,434.89 mi (8,746.62 km) |
| Laveno-Mombello to Orinda (California) | 5,892.76 mi (9,483.49 km) |
| Laveno-Mombello to Orland Park (Illinois) | 4,510.39 mi (7,258.77 km) |
| Laveno-Mombello to Orlando (Florida) | 4,832.75 mi (7,777.57 km) |
| Laveno-Mombello to Ormond Beach (Florida) | 4,784.16 mi (7,699.36 km) |
| Laveno-Mombello to Oro Valley (Arizona) | 5,841.83 mi (9,401.52 km) |
| Laveno-Mombello to Oroville (California) | 5,780.37 mi (9,302.60 km) |
| Laveno-Mombello to Oshkosh (Wisconsin) | 4,429.87 mi (7,129.18 km) |
| Laveno-Mombello to Oskaloosa (Iowa) | 4,710.01 mi (7,580.02 km) |
