| Swanage to Sinop | 1,845.18 mi (2,969.53 km) |
| Swanage to Siran | 2,087.88 mi (3,360.11 km) |
| Swanage to Sirnak | 2,341.02 mi (3,767.50 km) |
| Swanage to Sirvan | 2,299.64 mi (3,700.92 km) |
| Swanage to Sivas | 2,012.94 mi (3,239.52 km) |
| Swanage to Sivasli | 1,750.33 mi (2,816.88 km) |
| Swanage to Siverek | 2,194.51 mi (3,531.72 km) |
| Swanage to Sivrice | 2,165.42 mi (3,484.90 km) |
| Swanage to Sivrihisar | 1,788.18 mi (2,877.81 km) |
| Swanage to Sogut | 1,706.86 mi (2,746.92 km) |
| Swanage to Sogutlu | 1,684.64 mi (2,711.17 km) |
| Swanage to Soke | 1,688.28 mi (2,717.03 km) |
| Swanage to Solhan | 2,220.29 mi (3,573.21 km) |
| Swanage to Soma | 1,632.78 mi (2,627.71 km) |
| Swanage to Sorgun | 1,930.98 mi (3,107.60 km) |
