| Didymoteicho to Serik | 393.07 mi (632.58 km) |
| Didymoteicho to Serinhisar | 299.38 mi (481.80 km) |
| Didymoteicho to Serinyol | 624.62 mi (1,005.24 km) |
| Didymoteicho to Seydisehir | 394.11 mi (634.26 km) |
| Didymoteicho to Seyhan | 560.73 mi (902.41 km) |
| Didymoteicho to Seyitgazi | 256.88 mi (413.41 km) |
| Didymoteicho to Siirt | 853.90 mi (1,374.22 km) |
| Didymoteicho to Sile | 162.10 mi (260.88 km) |
| Didymoteicho to Silifke | 526.88 mi (847.92 km) |
| Didymoteicho to Silivri | 92.83 mi (149.40 km) |
| Didymoteicho to Silopi | 898.11 mi (1,445.37 km) |
| Didymoteicho to Simav | 204.17 mi (328.58 km) |
| Didymoteicho to Sinanpasa | 267.55 mi (430.58 km) |
| Didymoteicho to Sindirgi | 170.42 mi (274.26 km) |
| Didymoteicho to Sinop | 448.62 mi (721.98 km) |
