| San Feliu de Guixols to Oswego (Illinois) | 4,459.67 mi (7,177.15 km) |
| San Feliu de Guixols to Oswego (New York) | 3,881.63 mi (6,246.88 km) |
| San Feliu de Guixols to Otsego (Minnesota) | 4,535.02 mi (7,298.41 km) |
| San Feliu de Guixols to Ottawa (Illinois) | 4,493.35 mi (7,231.35 km) |
| San Feliu de Guixols to Ottawa (Kansas) | 4,880.32 mi (7,854.12 km) |
| San Feliu de Guixols to Ottumwa (Iowa) | 4,658.75 mi (7,497.53 km) |
| San Feliu de Guixols to Overland (Missouri) | 4,666.53 mi (7,510.06 km) |
| San Feliu de Guixols to Overland Park (Kansas) | 4,843.63 mi (7,795.08 km) |
| San Feliu de Guixols to Overlea (Maryland) | 4,020.21 mi (6,469.91 km) |
| San Feliu de Guixols to Oviedo (Florida) | 4,651.90 mi (7,486.51 km) |
| San Feliu de Guixols to Owasso (Oklahoma) | 5,004.99 mi (8,054.75 km) |
| San Feliu de Guixols to Owatonna (Minnesota) | 4,566.89 mi (7,349.70 km) |
| San Feliu de Guixols to Owensboro (Kentucky) | 4,561.37 mi (7,340.82 km) |
| San Feliu de Guixols to Owings Mills (Maryland) | 4,031.17 mi (6,487.55 km) |
| San Feliu de Guixols to Owosso (Michigan) | 4,232.17 mi (6,811.01 km) |
