| Viareggio to Orangevale (California) | 5,978.75 mi (9,621.87 km) |
| Viareggio to Orchards (Washington) | 5,607.05 mi (9,023.68 km) |
| Viareggio to Orcutt (California) | 6,176.14 mi (9,939.53 km) |
| Viareggio to Oregon (Ohio) | 4,476.42 mi (7,204.11 km) |
| Viareggio to Oregon (Wisconsin) | 4,660.06 mi (7,499.64 km) |
| Viareggio to Oregon City (Oregon) | 5,628.92 mi (9,058.87 km) |
| Viareggio to Orem (Utah) | 5,593.38 mi (9,001.68 km) |
| Viareggio to Orinda (California) | 6,053.71 mi (9,742.50 km) |
| Viareggio to Orland Park (Illinois) | 4,657.77 mi (7,495.95 km) |
| Viareggio to Orlando (Florida) | 4,958.68 mi (7,980.23 km) |
| Viareggio to Ormond Beach (Florida) | 4,910.99 mi (7,903.47 km) |
| Viareggio to Oro Valley (Arizona) | 5,996.48 mi (9,650.40 km) |
| Viareggio to Oroville (California) | 5,941.46 mi (9,561.85 km) |
| Viareggio to Oshkosh (Wisconsin) | 4,579.94 mi (7,370.70 km) |
| Viareggio to Oskaloosa (Iowa) | 4,859.95 mi (7,821.34 km) |
