| Mendrisio to Siran | 1,562.01 mi (2,513.81 km) |
| Mendrisio to Sirnak | 1,805.43 mi (2,905.57 km) |
| Mendrisio to Sirvan | 1,766.69 mi (2,843.21 km) |
| Mendrisio to Sivas | 1,473.83 mi (2,371.90 km) |
| Mendrisio to Sivasli | 1,171.66 mi (1,885.61 km) |
| Mendrisio to Siverek | 1,647.86 mi (2,651.97 km) |
| Mendrisio to Sivrice | 1,624.37 mi (2,614.18 km) |
| Mendrisio to Sivrihisar | 1,223.62 mi (1,969.23 km) |
| Mendrisio to Sogut | 1,141.54 mi (1,837.13 km) |
| Mendrisio to Sogutlu | 1,128.80 mi (1,816.63 km) |
| Mendrisio to Soke | 1,098.39 mi (1,767.68 km) |
| Mendrisio to Solhan | 1,691.06 mi (2,721.50 km) |
| Mendrisio to Soma | 1,051.25 mi (1,691.83 km) |
| Mendrisio to Sorgun | 1,384.74 mi (2,228.52 km) |
| Mendrisio to Suhut | 1,209.43 mi (1,946.39 km) |
