| Sanlucar la Mayor to Storm Lake (Iowa) | 4,495.79 mi (7,235.27 km) |
| Sanlucar la Mayor to Storrs (Connecticut) | 3,442.39 mi (5,540.00 km) |
| Sanlucar la Mayor to Stoughton (Wisconsin) | 4,217.63 mi (6,787.62 km) |
| Sanlucar la Mayor to Stow (Ohio) | 3,902.71 mi (6,280.81 km) |
| Sanlucar la Mayor to Streamwood (Illinois) | 4,196.60 mi (6,753.78 km) |
| Sanlucar la Mayor to Streator (Illinois) | 4,254.01 mi (6,846.17 km) |
| Sanlucar la Mayor to Streetsboro (Ohio) | 3,896.77 mi (6,271.24 km) |
| Sanlucar la Mayor to Strongsville (Ohio) | 3,918.05 mi (6,305.48 km) |
| Sanlucar la Mayor to Stuart (Florida) | 4,273.50 mi (6,877.53 km) |
| Sanlucar la Mayor to Stuarts Draft (Virginia) | 3,871.62 mi (6,230.77 km) |
| Sanlucar la Mayor to Sturgis (Michigan) | 4,074.45 mi (6,557.20 km) |
| Sanlucar la Mayor to Suamico (Wisconsin) | 4,115.58 mi (6,623.39 km) |
| Sanlucar la Mayor to Sudley (Virginia) | 3,774.09 mi (6,073.81 km) |
| Sanlucar la Mayor to Suffern (New York) | 3,550.54 mi (5,714.04 km) |
| Sanlucar la Mayor to Suffolk (Virginia) | 3,787.87 mi (6,095.99 km) |
