| Amposta to Siran | 2,010.49 mi (3,235.58 km) |
| Amposta to Sirnak | 2,234.54 mi (3,596.15 km) |
| Amposta to Sirvan | 2,200.30 mi (3,541.04 km) |
| Amposta to Sivas | 1,909.26 mi (3,072.65 km) |
| Amposta to Sivasli | 1,549.90 mi (2,494.33 km) |
| Amposta to Siverek | 2,066.42 mi (3,325.57 km) |
| Amposta to Sivrice | 2,051.78 mi (3,302.02 km) |
| Amposta to Sivrihisar | 1,630.42 mi (2,623.91 km) |
| Amposta to Sogut | 1,551.65 mi (2,497.14 km) |
| Amposta to Sogutlu | 1,556.24 mi (2,504.52 km) |
| Amposta to Soke | 1,444.67 mi (2,324.97 km) |
| Amposta to Solhan | 2,131.52 mi (3,430.35 km) |
| Amposta to Soma | 1,429.82 mi (2,301.07 km) |
| Amposta to Sorgun | 1,813.95 mi (2,919.27 km) |
| Amposta to Suhut | 1,594.11 mi (2,565.47 km) |
