| Illescas to Sangeorgiu de Mures | 1,480.90 mi (2,383.28 km) |
| Illescas to Sangeorz-Bai | 1,498.85 mi (2,412.17 km) |
| Illescas to Sannicolau Mare | 1,294.02 mi (2,082.52 km) |
| Illescas to Santana | 1,339.18 mi (2,155.20 km) |
| Illescas to Satu Mare | 1,422.11 mi (2,288.66 km) |
| Illescas to Scobinti | 1,603.39 mi (2,580.40 km) |
| Illescas to Scornicesti | 1,473.88 mi (2,371.98 km) |
| Illescas to Sebes | 1,433.51 mi (2,307.01 km) |
| Illescas to Seini | 1,439.49 mi (2,316.64 km) |
| Illescas to Sfantu-Gheorghe | 1,539.01 mi (2,476.79 km) |
| Illescas to Sibiu | 1,460.13 mi (2,349.86 km) |
| Illescas to Sighetu Marmatiei | 1,469.56 mi (2,365.03 km) |
| Illescas to Sighisoara | 1,493.61 mi (2,403.73 km) |
| Illescas to Simeria | 1,405.89 mi (2,262.56 km) |
| Illescas to Sinaia | 1,525.29 mi (2,454.71 km) |
