| Didymoteicho to Sangeorz-Bai | 425.51 mi (684.80 km) |
| Didymoteicho to Sannicolau Mare | 438.54 mi (705.76 km) |
| Didymoteicho to Santana | 425.73 mi (685.15 km) |
| Didymoteicho to Satu Mare | 478.99 mi (770.86 km) |
| Didymoteicho to Scobinti | 417.41 mi (671.75 km) |
| Didymoteicho to Scornicesti | 243.33 mi (391.60 km) |
| Didymoteicho to Sebes | 350.52 mi (564.10 km) |
| Didymoteicho to Seini | 469.42 mi (755.46 km) |
| Didymoteicho to Sfantu-Gheorghe | 313.89 mi (505.15 km) |
| Didymoteicho to Sibiu | 328.66 mi (528.93 km) |
| Didymoteicho to Sighetu Marmatiei | 472.19 mi (759.92 km) |
| Didymoteicho to Sighisoara | 346.88 mi (558.25 km) |
| Didymoteicho to Simeria | 356.51 mi (573.75 km) |
| Didymoteicho to Sinaia | 280.45 mi (451.34 km) |
| Didymoteicho to Slatina | 238.66 mi (384.08 km) |
