| Santiago de Compostela to Oswego (Illinois) | 3,915.41 mi (6,301.24 km) |
| Santiago de Compostela to Oswego (New York) | 3,324.48 mi (5,350.23 km) |
| Santiago de Compostela to Otsego (Minnesota) | 4,018.03 mi (6,466.39 km) |
| Santiago de Compostela to Ottawa (Illinois) | 3,948.70 mi (6,354.82 km) |
| Santiago de Compostela to Ottawa (Kansas) | 4,338.24 mi (6,981.72 km) |
| Santiago de Compostela to Ottumwa (Iowa) | 4,120.04 mi (6,630.56 km) |
| Santiago de Compostela to Overland (Missouri) | 4,114.72 mi (6,622.01 km) |
| Santiago de Compostela to Overland Park (Kansas) | 4,301.38 mi (6,922.40 km) |
| Santiago de Compostela to Overlea (Maryland) | 3,448.15 mi (5,549.26 km) |
| Santiago de Compostela to Oviedo (Florida) | 4,062.07 mi (6,537.27 km) |
| Santiago de Compostela to Owasso (Oklahoma) | 4,455.81 mi (7,170.93 km) |
| Santiago de Compostela to Owatonna (Minnesota) | 4,043.40 mi (6,507.23 km) |
| Santiago de Compostela to Owensboro (Kentucky) | 4,000.35 mi (6,437.94 km) |
| Santiago de Compostela to Owings Mills (Maryland) | 3,459.63 mi (5,567.73 km) |
| Santiago de Compostela to Owosso (Michigan) | 3,685.64 mi (5,931.46 km) |
