| San Luis to Sangeorgiu de Mures | 6,412.38 mi (10,319.73 km) |
| San Luis to Sangeorz-Bai | 6,370.63 mi (10,252.54 km) |
| San Luis to Sannicolau Mare | 6,334.53 mi (10,194.44 km) |
| San Luis to Santana | 6,343.51 mi (10,208.90 km) |
| San Luis to Satu Mare | 6,299.92 mi (10,138.75 km) |
| San Luis to Scobinti | 6,426.46 mi (10,342.39 km) |
| San Luis to Scornicesti | 6,528.67 mi (10,506.88 km) |
| San Luis to Sebes | 6,422.37 mi (10,335.81 km) |
| San Luis to Seini | 6,312.73 mi (10,159.36 km) |
| San Luis to Sfantu-Gheorghe | 6,486.56 mi (10,439.11 km) |
| San Luis to Sibiu | 6,447.60 mi (10,376.40 km) |
| San Luis to Sighetu Marmatiei | 6,318.20 mi (10,168.16 km) |
| San Luis to Sighisoara | 6,440.11 mi (10,364.35 km) |
| San Luis to Simeria | 6,413.43 mi (10,321.41 km) |
| San Luis to Sinaia | 6,510.29 mi (10,477.31 km) |
