| Domodossola to Orangevale (California) | 5,796.92 mi (9,329.25 km) |
| Domodossola to Orchards (Washington) | 5,424.55 mi (8,729.98 km) |
| Domodossola to Orcutt (California) | 5,995.21 mi (9,648.36 km) |
| Domodossola to Oregon (Ohio) | 4,310.78 mi (6,937.53 km) |
| Domodossola to Oregon (Wisconsin) | 4,489.30 mi (7,224.83 km) |
| Domodossola to Oregon City (Oregon) | 5,446.43 mi (8,765.17 km) |
| Domodossola to Orem (Utah) | 5,413.67 mi (8,712.46 km) |
| Domodossola to Orinda (California) | 5,871.82 mi (9,449.79 km) |
| Domodossola to Orland Park (Illinois) | 4,489.23 mi (7,224.72 km) |
| Domodossola to Orlando (Florida) | 4,812.94 mi (7,745.68 km) |
| Domodossola to Ormond Beach (Florida) | 4,764.28 mi (7,667.36 km) |
| Domodossola to Oro Valley (Arizona) | 5,820.51 mi (9,367.20 km) |
| Domodossola to Oroville (California) | 5,759.46 mi (9,268.95 km) |
| Domodossola to Oshkosh (Wisconsin) | 4,408.62 mi (7,094.98 km) |
| Domodossola to Oskaloosa (Iowa) | 4,688.76 mi (7,545.83 km) |
