| Sanlucar la Mayor to Oakley (California) | 5,805.18 mi (9,342.53 km) |
| Sanlucar la Mayor to Oakton (Virginia) | 3,761.75 mi (6,053.95 km) |
| Sanlucar la Mayor to Oakville (Missouri) | 4,409.17 mi (7,095.87 km) |
| Sanlucar la Mayor to Oatfield (Oregon) | 5,484.09 mi (8,825.79 km) |
| Sanlucar la Mayor to Ocala (Florida) | 4,306.45 mi (6,930.56 km) |
| Sanlucar la Mayor to Ocean Acres (New Jersey) | 3,589.88 mi (5,777.35 km) |
| Sanlucar la Mayor to Ocean City (New Jersey) | 3,617.57 mi (5,821.92 km) |
| Sanlucar la Mayor to Ocean Pines (Maryland) | 3,667.32 mi (5,901.99 km) |
| Sanlucar la Mayor to Ocean Pointe (Hawaii) | 7,986.23 mi (12,852.59 km) |
| Sanlucar la Mayor to Ocean Springs (Mississippi) | 4,607.70 mi (7,415.38 km) |
| Sanlucar la Mayor to Oceanside (California) | 5,848.56 mi (9,412.34 km) |
| Sanlucar la Mayor to Oceanside (New York) | 3,536.79 mi (5,691.92 km) |
| Sanlucar la Mayor to Ocoee (Florida) | 4,294.33 mi (6,911.05 km) |
| Sanlucar la Mayor to Oconomowoc (Wisconsin) | 4,179.21 mi (6,725.78 km) |
| Sanlucar la Mayor to Odenton (Maryland) | 3,726.89 mi (5,997.86 km) |
