| Alcazar de San Juan to Security-Widefield (Colorado) | 5,106.87 mi (8,218.72 km) |
| Alcazar de San Juan to Sedalia (Missouri) | 4,603.72 mi (7,408.97 km) |
| Alcazar de San Juan to Sedro-Woolley (Washington) | 5,311.23 mi (8,547.59 km) |
| Alcazar de San Juan to Seguin (Texas) | 5,186.70 mi (8,347.18 km) |
| Alcazar de San Juan to Selden (New York) | 3,587.37 mi (5,773.32 km) |
| Alcazar de San Juan to Selma (Alabama) | 4,544.14 mi (7,313.09 km) |
| Alcazar de San Juan to Selma (California) | 5,812.97 mi (9,355.07 km) |
| Alcazar de San Juan to Selma (Texas) | 5,203.33 mi (8,373.96 km) |
| Alcazar de San Juan to Seminole (Florida) | 4,502.15 mi (7,245.51 km) |
| Alcazar de San Juan to Seven Hills (Ohio) | 3,981.10 mi (6,406.95 km) |
| Alcazar de San Juan to Seven Oaks (South Carolina) | 4,194.78 mi (6,750.85 km) |
| Alcazar de San Juan to Severn (Maryland) | 3,812.66 mi (6,135.89 km) |
| Alcazar de San Juan to Severna Park (Maryland) | 3,807.97 mi (6,128.33 km) |
| Alcazar de San Juan to Sevierville (Tennessee) | 4,250.31 mi (6,840.21 km) |
| Alcazar de San Juan to Seymour (Indiana) | 4,256.47 mi (6,850.13 km) |
