| Quattro Castella to Sangeorz-Bai | 706.75 mi (1,137.40 km) |
| Quattro Castella to Sannicolau Mare | 502.11 mi (808.06 km) |
| Quattro Castella to Santana | 546.92 mi (880.18 km) |
| Quattro Castella to Satu Mare | 631.89 mi (1,016.93 km) |
| Quattro Castella to Scobinti | 811.05 mi (1,305.27 km) |
| Quattro Castella to Scornicesti | 691.98 mi (1,113.63 km) |
| Quattro Castella to Sebes | 642.67 mi (1,034.27 km) |
| Quattro Castella to Seini | 648.86 mi (1,044.23 km) |
| Quattro Castella to Sfantu-Gheorghe | 748.92 mi (1,205.28 km) |
| Quattro Castella to Sibiu | 670.08 mi (1,078.39 km) |
| Quattro Castella to Sighetu Marmatiei | 679.26 mi (1,093.16 km) |
| Quattro Castella to Sighisoara | 702.19 mi (1,130.07 km) |
| Quattro Castella to Simeria | 615.34 mi (990.29 km) |
| Quattro Castella to Sinaia | 737.67 mi (1,187.16 km) |
| Quattro Castella to Slatina | 683.83 mi (1,100.51 km) |
