| Castel San Giorgio to Sangeorz-Bai | 671.70 mi (1,081.00 km) |
| Castel San Giorgio to Sannicolau Mare | 469.97 mi (756.34 km) |
| Castel San Giorgio to Santana | 513.25 mi (825.99 km) |
| Castel San Giorgio to Satu Mare | 630.50 mi (1,014.70 km) |
| Castel San Giorgio to Scobinti | 757.86 mi (1,219.67 km) |
| Castel San Giorgio to Scornicesti | 564.09 mi (907.81 km) |
| Castel San Giorgio to Sebes | 570.71 mi (918.47 km) |
| Castel San Giorgio to Seini | 641.08 mi (1,031.71 km) |
| Castel San Giorgio to Sfantu-Gheorghe | 657.73 mi (1,058.51 km) |
| Castel San Giorgio to Sibiu | 587.38 mi (945.29 km) |
| Castel San Giorgio to Sighetu Marmatiei | 669.86 mi (1,078.04 km) |
| Castel San Giorgio to Sighisoara | 629.05 mi (1,012.36 km) |
| Castel San Giorgio to Simeria | 544.52 mi (876.32 km) |
| Castel San Giorgio to Sinaia | 631.34 mi (1,016.04 km) |
| Castel San Giorgio to Slatina | 551.78 mi (888.00 km) |
