| Cristuru Secuiesc to Sestao | 1,382.65 mi (2,225.15 km) |
| Cristuru Secuiesc to Sevilla | 1,703.37 mi (2,741.31 km) |
| Cristuru Secuiesc to Sevilla La Nueva | 1,508.11 mi (2,427.06 km) |
| Cristuru Secuiesc to Silla | 1,368.18 mi (2,201.87 km) |
| Cristuru Secuiesc to Silleda | 1,645.90 mi (2,648.82 km) |
| Cristuru Secuiesc to Sitges | 1,205.74 mi (1,940.45 km) |
| Cristuru Secuiesc to Socuellamos | 1,482.46 mi (2,385.79 km) |
| Cristuru Secuiesc to Soller | 1,209.69 mi (1,946.81 km) |
| Cristuru Secuiesc to Solsona | 1,198.35 mi (1,928.56 km) |
| Cristuru Secuiesc to Son Servera | 1,184.16 mi (1,905.72 km) |
| Cristuru Secuiesc to Sonseca | 1,524.13 mi (2,452.85 km) |
| Cristuru Secuiesc to Sopelana | 1,379.86 mi (2,220.67 km) |
| Cristuru Secuiesc to Soria | 1,393.97 mi (2,243.38 km) |
| Cristuru Secuiesc to Suances | 1,429.83 mi (2,301.08 km) |
| Cristuru Secuiesc to Sueca | 1,368.88 mi (2,202.99 km) |
