| Didymoteicho to Settimo Torinese | 975.94 mi (1,570.63 km) |
| Didymoteicho to Seveso | 917.19 mi (1,476.08 km) |
| Didymoteicho to Sezze | 695.33 mi (1,119.02 km) |
| Didymoteicho to Siano | 615.58 mi (990.68 km) |
| Didymoteicho to Siena | 785.45 mi (1,264.06 km) |
| Didymoteicho to Signa | 800.22 mi (1,287.83 km) |
| Didymoteicho to Silea | 770.09 mi (1,239.34 km) |
| Didymoteicho to Silvi Paese | 641.13 mi (1,031.79 km) |
| Didymoteicho to Sinalunga | 764.72 mi (1,230.70 km) |
| Didymoteicho to Siniscola | 877.00 mi (1,411.39 km) |
| Didymoteicho to Sinnai | 920.44 mi (1,481.30 km) |
| Didymoteicho to Siracusa | 668.47 mi (1,075.79 km) |
| Didymoteicho to Solaro | 919.29 mi (1,479.45 km) |
| Didymoteicho to Soliera | 819.11 mi (1,318.23 km) |
| Didymoteicho to Solofra | 607.24 mi (977.26 km) |
