| Idil to Sangeorgiu de Mures | 1,094.65 mi (1,761.66 km) |
| Idil to Sangeorz-Bai | 1,114.95 mi (1,794.34 km) |
| Idil to Sannicolau Mare | 1,246.75 mi (2,006.45 km) |
| Idil to Santana | 1,215.06 mi (1,955.45 km) |
| Idil to Satu Mare | 1,201.39 mi (1,933.45 km) |
| Idil to Scobinti | 1,028.63 mi (1,655.42 km) |
| Idil to Scornicesti | 1,030.68 mi (1,658.71 km) |
| Idil to Sebes | 1,113.78 mi (1,792.46 km) |
| Idil to Seini | 1,184.06 mi (1,905.56 km) |
| Idil to Sfantu-Gheorghe | 1,016.33 mi (1,635.62 km) |
| Idil to Sibiu | 1,083.56 mi (1,743.82 km) |
| Idil to Sighetu Marmatiei | 1,166.53 mi (1,877.35 km) |
| Idil to Sighisoara | 1,069.95 mi (1,721.91 km) |
| Idil to Simeria | 1,134.92 mi (1,826.48 km) |
| Idil to Sinaia | 1,009.36 mi (1,624.40 km) |
