| San Cugat del Valles to Oswego (Illinois) | 4,431.11 mi (7,131.18 km) |
| San Cugat del Valles to Oswego (New York) | 3,850.45 mi (6,196.70 km) |
| San Cugat del Valles to Otsego (Minnesota) | 4,511.03 mi (7,259.79 km) |
| San Cugat del Valles to Ottawa (Illinois) | 4,464.73 mi (7,185.28 km) |
| San Cugat del Valles to Ottawa (Kansas) | 4,852.29 mi (7,809.01 km) |
| San Cugat del Valles to Ottumwa (Iowa) | 4,631.24 mi (7,453.25 km) |
| San Cugat del Valles to Overland (Missouri) | 4,636.64 mi (7,461.96 km) |
| San Cugat del Valles to Overland Park (Kansas) | 4,815.56 mi (7,749.90 km) |
| San Cugat del Valles to Overlea (Maryland) | 3,985.91 mi (6,414.71 km) |
| San Cugat del Valles to Oviedo (Florida) | 4,612.44 mi (7,423.01 km) |
| San Cugat del Valles to Owasso (Oklahoma) | 4,975.70 mi (8,007.61 km) |
| San Cugat del Valles to Owatonna (Minnesota) | 4,541.88 mi (7,309.45 km) |
| San Cugat del Valles to Owensboro (Kentucky) | 4,529.63 mi (7,289.73 km) |
| San Cugat del Valles to Owings Mills (Maryland) | 3,996.99 mi (6,432.54 km) |
| San Cugat del Valles to Owosso (Michigan) | 4,203.11 mi (6,764.25 km) |
