| Herisau to Serik | 1,324.73 mi (2,131.95 km) |
| Herisau to Serinhisar | 1,218.15 mi (1,960.42 km) |
| Herisau to Serinyol | 1,569.48 mi (2,525.84 km) |
| Herisau to Seydisehir | 1,334.98 mi (2,148.44 km) |
| Herisau to Seyhan | 1,505.47 mi (2,422.81 km) |
| Herisau to Seyitgazi | 1,201.71 mi (1,933.96 km) |
| Herisau to Siirt | 1,768.52 mi (2,846.16 km) |
| Herisau to Sile | 1,089.88 mi (1,753.99 km) |
| Herisau to Silifke | 1,469.81 mi (2,365.43 km) |
| Herisau to Silivri | 1,032.38 mi (1,661.46 km) |
| Herisau to Silopi | 1,817.94 mi (2,925.69 km) |
| Herisau to Simav | 1,141.53 mi (1,837.12 km) |
| Herisau to Sinanpasa | 1,210.00 mi (1,947.30 km) |
| Herisau to Sindirgi | 1,100.35 mi (1,770.84 km) |
| Herisau to Sinop | 1,316.96 mi (2,119.44 km) |
