| Morriston to Sereflikochisar | 1,993.51 mi (3,208.24 km) |
| Morriston to Serik | 1,982.71 mi (3,190.87 km) |
| Morriston to Serinhisar | 1,877.23 mi (3,021.11 km) |
| Morriston to Serinyol | 2,219.28 mi (3,571.59 km) |
| Morriston to Seydisehir | 1,990.56 mi (3,203.50 km) |
| Morriston to Seyhan | 2,155.07 mi (3,468.25 km) |
| Morriston to Seyitgazi | 1,852.68 mi (2,981.59 km) |
| Morriston to Siirt | 2,393.69 mi (3,852.27 km) |
| Morriston to Sile | 1,734.82 mi (2,791.92 km) |
| Morriston to Silifke | 2,124.41 mi (3,418.91 km) |
| Morriston to Silivri | 1,681.86 mi (2,706.69 km) |
| Morriston to Silopi | 2,445.35 mi (3,935.41 km) |
| Morriston to Simav | 1,797.56 mi (2,892.89 km) |
| Morriston to Sinanpasa | 1,864.62 mi (3,000.81 km) |
| Morriston to Sindirgi | 1,757.36 mi (2,828.20 km) |
