| Horw to Siran | 1,600.25 mi (2,575.36 km) |
| Horw to Sirnak | 1,847.23 mi (2,972.83 km) |
| Horw to Sirvan | 1,807.59 mi (2,909.04 km) |
| Horw to Sivas | 1,515.97 mi (2,439.71 km) |
| Horw to Sivasli | 1,228.33 mi (1,976.80 km) |
| Horw to Siverek | 1,692.88 mi (2,724.43 km) |
| Horw to Sivrice | 1,667.51 mi (2,683.59 km) |
| Horw to Sivrihisar | 1,274.23 mi (2,050.67 km) |
| Horw to Sogut | 1,192.25 mi (1,918.74 km) |
| Horw to Sogutlu | 1,175.74 mi (1,892.18 km) |
| Horw to Soke | 1,161.11 mi (1,868.62 km) |
| Horw to Solhan | 1,730.66 mi (2,785.23 km) |
| Horw to Soma | 1,109.15 mi (1,785.00 km) |
| Horw to Sorgun | 1,429.00 mi (2,299.76 km) |
| Horw to Suhut | 1,264.55 mi (2,035.09 km) |
