| Cayey to Sesena | 3,977.27 mi (6,400.79 km) |
| Cayey to Sestao | 4,027.74 mi (6,482.03 km) |
| Cayey to Sevilla | 3,843.82 mi (6,186.03 km) |
| Cayey to Sevilla La Nueva | 3,960.82 mi (6,374.32 km) |
| Cayey to Silla | 4,150.29 mi (6,679.25 km) |
| Cayey to Silleda | 3,760.61 mi (6,052.12 km) |
| Cayey to Sitges | 4,267.63 mi (6,868.08 km) |
| Cayey to Socuellamos | 4,022.82 mi (6,474.10 km) |
| Cayey to Soller | 4,315.76 mi (6,945.54 km) |
| Cayey to Solsona | 4,253.18 mi (6,844.83 km) |
| Cayey to Son Servera | 4,351.10 mi (7,002.42 km) |
| Cayey to Sonseca | 3,962.46 mi (6,376.97 km) |
| Cayey to Sopelana | 4,029.46 mi (6,484.79 km) |
| Cayey to Soria | 4,047.81 mi (6,514.31 km) |
| Cayey to Suances | 3,976.23 mi (6,399.12 km) |
