| Portlethen to Sereflikochisar | 2,032.45 mi (3,270.91 km) |
| Portlethen to Serik | 2,059.18 mi (3,313.93 km) |
| Portlethen to Serinhisar | 1,962.24 mi (3,157.92 km) |
| Portlethen to Serinyol | 2,262.34 mi (3,640.89 km) |
| Portlethen to Seydisehir | 2,056.65 mi (3,309.86 km) |
| Portlethen to Seyhan | 2,199.06 mi (3,539.04 km) |
| Portlethen to Seyitgazi | 1,908.12 mi (3,070.83 km) |
| Portlethen to Siirt | 2,384.82 mi (3,837.99 km) |
| Portlethen to Sile | 1,780.09 mi (2,864.77 km) |
| Portlethen to Silifke | 2,183.95 mi (3,514.73 km) |
| Portlethen to Silivri | 1,739.12 mi (2,798.84 km) |
| Portlethen to Silopi | 2,438.83 mi (3,924.91 km) |
| Portlethen to Simav | 1,870.28 mi (3,009.92 km) |
| Portlethen to Sinanpasa | 1,930.54 mi (3,106.90 km) |
| Portlethen to Sindirgi | 1,835.09 mi (2,953.29 km) |
