| Santiago de Compostela to Odessa (Texas) | 4,936.75 mi (7,944.93 km) |
| Santiago de Compostela to Ogden (Utah) | 4,926.83 mi (7,928.97 km) |
| Santiago de Compostela to Oildale (California) | 5,479.90 mi (8,819.04 km) |
| Santiago de Compostela to Ojus (Florida) | 4,119.87 mi (6,630.29 km) |
| Santiago de Compostela to Okemos (Michigan) | 3,705.64 mi (5,963.65 km) |
| Santiago de Compostela to Oklahoma City (Oklahoma) | 4,565.28 mi (7,347.10 km) |
| Santiago de Compostela to Okmulgee (Oklahoma) | 4,491.13 mi (7,227.77 km) |
| Santiago de Compostela to Olathe (Kansas) | 4,307.43 mi (6,932.14 km) |
| Santiago de Compostela to Old Jamestown (Missouri) | 4,105.58 mi (6,607.29 km) |
| Santiago de Compostela to Oldsmar (Florida) | 4,159.86 mi (6,694.65 km) |
| Santiago de Compostela to Olean (New York) | 3,453.35 mi (5,557.62 km) |
| Santiago de Compostela to Olive Branch (Mississippi) | 4,233.18 mi (6,812.65 km) |
| Santiago de Compostela to Olivehurst (California) | 5,394.73 mi (8,681.98 km) |
| Santiago de Compostela to Olney (Maryland) | 3,481.39 mi (5,602.75 km) |
| Santiago de Compostela to Olympia (Washington) | 5,045.08 mi (8,119.27 km) |
