| Castleford to Sesena | 946.86 mi (1,523.83 km) |
| Castleford to Sestao | 722.83 mi (1,163.28 km) |
| Castleford to Sevilla | 1,159.68 mi (1,866.33 km) |
| Castleford to Sevilla La Nueva | 932.04 mi (1,499.97 km) |
| Castleford to Silla | 992.77 mi (1,597.72 km) |
| Castleford to Silleda | 823.45 mi (1,325.21 km) |
| Castleford to Sitges | 874.74 mi (1,407.76 km) |
| Castleford to Socuellamos | 998.80 mi (1,607.42 km) |
| Castleford to Soller | 982.34 mi (1,580.92 km) |
| Castleford to Solsona | 820.59 mi (1,320.62 km) |
| Castleford to Son Servera | 998.66 mi (1,607.19 km) |
| Castleford to Sonseca | 976.01 mi (1,570.73 km) |
| Castleford to Sopelana | 717.85 mi (1,155.27 km) |
| Castleford to Soria | 827.20 mi (1,331.25 km) |
| Castleford to Suances | 720.92 mi (1,160.21 km) |
