| Viladecans to Orangevale (California) | 5,856.37 mi (9,424.92 km) |
| Viladecans to Orchards (Washington) | 5,522.58 mi (8,887.73 km) |
| Viladecans to Orcutt (California) | 6,032.78 mi (9,708.81 km) |
| Viladecans to Oregon (Ohio) | 4,221.58 mi (6,793.98 km) |
| Viladecans to Oregon (Wisconsin) | 4,431.92 mi (7,132.48 km) |
| Viladecans to Oregon City (Oregon) | 5,543.13 mi (8,920.80 km) |
| Viladecans to Orem (Utah) | 5,435.11 mi (8,746.96 km) |
| Viladecans to Orinda (California) | 5,932.40 mi (9,547.28 km) |
| Viladecans to Orland Park (Illinois) | 4,416.74 mi (7,108.06 km) |
| Viladecans to Orlando (Florida) | 4,627.34 mi (7,446.98 km) |
| Viladecans to Ormond Beach (Florida) | 4,582.68 mi (7,375.10 km) |
| Viladecans to Oro Valley (Arizona) | 5,796.90 mi (9,329.21 km) |
| Viladecans to Oroville (California) | 5,824.37 mi (9,373.42 km) |
| Viladecans to Oshkosh (Wisconsin) | 4,355.82 mi (7,010.01 km) |
| Viladecans to Oskaloosa (Iowa) | 4,633.14 mi (7,456.32 km) |
