| West Carson to Sesena | 5,845.35 mi (9,407.17 km) |
| West Carson to Sestao | 5,727.83 mi (9,218.04 km) |
| West Carson to Sevilla | 5,878.12 mi (9,459.92 km) |
| West Carson to Sevilla La Nueva | 5,821.14 mi (9,368.22 km) |
| West Carson to Silla | 6,009.93 mi (9,672.04 km) |
| West Carson to Silleda | 5,549.89 mi (8,931.68 km) |
| West Carson to Sitges | 6,006.12 mi (9,665.91 km) |
| West Carson to Socuellamos | 5,918.33 mi (9,524.63 km) |
| West Carson to Soller | 6,110.58 mi (9,834.02 km) |
| West Carson to Solsona | 5,959.04 mi (9,590.15 km) |
| West Carson to Son Servera | 6,142.59 mi (9,885.54 km) |
| West Carson to Sonseca | 5,853.35 mi (9,420.05 km) |
| West Carson to Sopelana | 5,725.64 mi (9,214.53 km) |
| West Carson to Soria | 5,818.57 mi (9,364.08 km) |
| West Carson to Suances | 5,682.43 mi (9,144.98 km) |
