| Cal to Security-Widefield (Colorado) | 6,381.67 mi (10,270.30 km) |
| Cal to Sedalia (Missouri) | 6,002.63 mi (9,660.30 km) |
| Cal to Sedro-Woolley (Washington) | 6,205.63 mi (9,987.00 km) |
| Cal to Seguin (Texas) | 6,658.10 mi (10,715.17 km) |
| Cal to Selden (New York) | 5,114.10 mi (8,230.35 km) |
| Cal to Selma (Alabama) | 6,080.31 mi (9,785.31 km) |
| Cal to Selma (California) | 6,912.41 mi (11,124.44 km) |
| Cal to Selma (Texas) | 6,671.27 mi (10,736.38 km) |
| Cal to Seminole (Florida) | 6,118.20 mi (9,846.29 km) |
| Cal to Seven Hills (Ohio) | 5,439.87 mi (8,754.62 km) |
| Cal to Seven Oaks (South Carolina) | 5,756.19 mi (9,263.70 km) |
| Cal to Severn (Maryland) | 5,340.08 mi (8,594.02 km) |
| Cal to Severna Park (Maryland) | 5,336.92 mi (8,588.94 km) |
| Cal to Sevierville (Tennessee) | 5,771.13 mi (9,287.73 km) |
| Cal to Seymour (Indiana) | 5,717.38 mi (9,201.24 km) |
