| San Fernando de Henares to Sangeorgiu de Mures | 1,457.31 mi (2,345.32 km) |
| San Fernando de Henares to Sangeorz-Bai | 1,474.82 mi (2,373.50 km) |
| San Fernando de Henares to Sannicolau Mare | 1,270.50 mi (2,044.67 km) |
| San Fernando de Henares to Santana | 1,315.53 mi (2,117.15 km) |
| San Fernando de Henares to Satu Mare | 1,397.75 mi (2,249.46 km) |
| San Fernando de Henares to Scobinti | 1,579.46 mi (2,541.90 km) |
| San Fernando de Henares to Scornicesti | 1,451.55 mi (2,336.04 km) |
| San Fernando de Henares to Sebes | 1,410.23 mi (2,269.55 km) |
| San Fernando de Henares to Seini | 1,415.18 mi (2,277.51 km) |
| San Fernando de Henares to Sfantu-Gheorghe | 1,515.87 mi (2,439.56 km) |
| San Fernando de Henares to Sibiu | 1,436.99 mi (2,312.61 km) |
| San Fernando de Henares to Sighetu Marmatiei | 1,445.20 mi (2,325.82 km) |
| San Fernando de Henares to Sighisoara | 1,470.23 mi (2,366.11 km) |
| San Fernando de Henares to Simeria | 1,382.65 mi (2,225.16 km) |
| San Fernando de Henares to Sinaia | 1,502.46 mi (2,417.98 km) |
