| Laredo to Siran | 2,178.34 mi (3,505.70 km) |
| Laredo to Sirnak | 2,414.20 mi (3,885.29 km) |
| Laredo to Sirvan | 2,377.39 mi (3,826.03 km) |
| Laredo to Sivas | 2,083.99 mi (3,353.85 km) |
| Laredo to Sivasli | 1,748.28 mi (2,813.59 km) |
| Laredo to Siverek | 2,250.76 mi (3,622.24 km) |
| Laredo to Sivrice | 2,231.52 mi (3,591.28 km) |
| Laredo to Sivrihisar | 1,817.39 mi (2,924.80 km) |
| Laredo to Sogut | 1,736.34 mi (2,794.37 km) |
| Laredo to Sogutlu | 1,732.64 mi (2,788.41 km) |
| Laredo to Soke | 1,653.74 mi (2,661.43 km) |
| Laredo to Solhan | 2,304.51 mi (3,708.76 km) |
| Laredo to Soma | 1,626.59 mi (2,617.74 km) |
| Laredo to Sorgun | 1,991.41 mi (3,204.87 km) |
| Laredo to Suhut | 1,790.34 mi (2,881.27 km) |
