| Mandello del Lario to Orangevale (California) | 5,837.50 mi (9,394.55 km) |
| Mandello del Lario to Orchards (Washington) | 5,462.51 mi (8,791.06 km) |
| Mandello del Lario to Orcutt (California) | 6,037.16 mi (9,715.86 km) |
| Mandello del Lario to Oregon (Ohio) | 4,359.59 mi (7,016.08 km) |
| Mandello del Lario to Oregon (Wisconsin) | 4,536.86 mi (7,301.37 km) |
| Mandello del Lario to Oregon City (Oregon) | 5,484.47 mi (8,826.40 km) |
| Mandello del Lario to Orem (Utah) | 5,456.88 mi (8,781.99 km) |
| Mandello del Lario to Orinda (California) | 5,912.29 mi (9,514.91 km) |
| Mandello del Lario to Orland Park (Illinois) | 4,537.39 mi (7,302.22 km) |
| Mandello del Lario to Orlando (Florida) | 4,863.84 mi (7,827.59 km) |
| Mandello del Lario to Ormond Beach (Florida) | 4,815.13 mi (7,749.21 km) |
| Mandello del Lario to Oro Valley (Arizona) | 5,866.05 mi (9,440.50 km) |
| Mandello del Lario to Oroville (California) | 5,799.68 mi (9,333.68 km) |
| Mandello del Lario to Oshkosh (Wisconsin) | 4,456.02 mi (7,171.26 km) |
| Mandello del Lario to Oskaloosa (Iowa) | 4,736.18 mi (7,622.14 km) |
