| Santiago de Compostela to Orangevale (California) | 5,401.84 mi (8,693.42 km) |
| Santiago de Compostela to Orchards (Washington) | 5,099.89 mi (8,207.49 km) |
| Santiago de Compostela to Orcutt (California) | 5,562.32 mi (8,951.70 km) |
| Santiago de Compostela to Oregon (Ohio) | 3,695.73 mi (5,947.71 km) |
| Santiago de Compostela to Oregon (Wisconsin) | 3,918.72 mi (6,306.57 km) |
| Santiago de Compostela to Oregon City (Oregon) | 5,119.19 mi (8,238.54 km) |
| Santiago de Compostela to Orem (Utah) | 4,958.61 mi (7,980.12 km) |
| Santiago de Compostela to Orinda (California) | 5,478.07 mi (8,816.10 km) |
| Santiago de Compostela to Orland Park (Illinois) | 3,896.85 mi (6,271.38 km) |
| Santiago de Compostela to Orlando (Florida) | 4,076.70 mi (6,560.81 km) |
| Santiago de Compostela to Ormond Beach (Florida) | 4,032.46 mi (6,489.61 km) |
| Santiago de Compostela to Oro Valley (Arizona) | 5,293.02 mi (8,518.29 km) |
| Santiago de Compostela to Oroville (California) | 5,373.95 mi (8,648.53 km) |
| Santiago de Compostela to Oshkosh (Wisconsin) | 3,845.23 mi (6,188.30 km) |
| Santiago de Compostela to Oskaloosa (Iowa) | 4,119.70 mi (6,630.01 km) |
