| Viladecans to Oswego (Illinois) | 4,434.36 mi (7,136.41 km) |
| Viladecans to Oswego (New York) | 3,853.06 mi (6,200.90 km) |
| Viladecans to Otsego (Minnesota) | 4,515.34 mi (7,266.74 km) |
| Viladecans to Ottawa (Illinois) | 4,467.96 mi (7,190.49 km) |
| Viladecans to Ottawa (Kansas) | 4,855.66 mi (7,814.44 km) |
| Viladecans to Ottumwa (Iowa) | 4,634.74 mi (7,458.89 km) |
| Viladecans to Overland (Missouri) | 4,639.56 mi (7,466.65 km) |
| Viladecans to Overland Park (Kansas) | 4,818.93 mi (7,755.31 km) |
| Viladecans to Overlea (Maryland) | 3,987.68 mi (6,417.55 km) |
| Viladecans to Oviedo (Florida) | 4,612.66 mi (7,423.37 km) |
| Viladecans to Owasso (Oklahoma) | 4,978.76 mi (8,012.54 km) |
| Viladecans to Owatonna (Minnesota) | 4,545.97 mi (7,316.03 km) |
| Viladecans to Owensboro (Kentucky) | 4,532.07 mi (7,293.67 km) |
| Viladecans to Owings Mills (Maryland) | 3,998.80 mi (6,435.44 km) |
| Viladecans to Owosso (Michigan) | 4,206.24 mi (6,769.30 km) |
