| San Lorenzo de El Escorial to Sangeorgiu de Mures | 1,480.93 mi (2,383.33 km) |
| San Lorenzo de El Escorial to Sangeorz-Bai | 1,497.50 mi (2,409.99 km) |
| San Lorenzo de El Escorial to Sannicolau Mare | 1,294.29 mi (2,082.95 km) |
| San Lorenzo de El Escorial to Santana | 1,339.07 mi (2,155.03 km) |
| San Lorenzo de El Escorial to Satu Mare | 1,419.65 mi (2,284.71 km) |
| San Lorenzo de El Escorial to Scobinti | 1,602.33 mi (2,578.71 km) |
| San Lorenzo de El Escorial to Scornicesti | 1,477.39 mi (2,377.62 km) |
| San Lorenzo de El Escorial to Sebes | 1,434.47 mi (2,308.55 km) |
| San Lorenzo de El Escorial to Seini | 1,437.20 mi (2,312.95 km) |
| San Lorenzo de El Escorial to Sfantu-Gheorghe | 1,540.35 mi (2,478.96 km) |
| San Lorenzo de El Escorial to Sibiu | 1,461.46 mi (2,351.99 km) |
| San Lorenzo de El Escorial to Sighetu Marmatiei | 1,467.09 mi (2,361.05 km) |
| San Lorenzo de El Escorial to Sighisoara | 1,494.26 mi (2,404.78 km) |
| San Lorenzo de El Escorial to Simeria | 1,406.97 mi (2,264.30 km) |
| San Lorenzo de El Escorial to Sinaia | 1,527.49 mi (2,458.26 km) |
