| Romanshorn to Sangeorgiu de Mures | 713.56 mi (1,148.36 km) |
| Romanshorn to Sangeorz-Bai | 714.70 mi (1,150.20 km) |
| Romanshorn to Sannicolau Mare | 541.73 mi (871.84 km) |
| Romanshorn to Santana | 578.18 mi (930.49 km) |
| Romanshorn to Satu Mare | 628.99 mi (1,012.27 km) |
| Romanshorn to Scobinti | 819.22 mi (1,318.41 km) |
| Romanshorn to Scornicesti | 755.75 mi (1,216.26 km) |
| Romanshorn to Sebes | 680.81 mi (1,095.65 km) |
| Romanshorn to Seini | 647.50 mi (1,042.06 km) |
| Romanshorn to Sfantu-Gheorghe | 785.68 mi (1,264.44 km) |
| Romanshorn to Sibiu | 710.83 mi (1,143.96 km) |
| Romanshorn to Sighetu Marmatiei | 674.81 mi (1,086.01 km) |
| Romanshorn to Sighisoara | 733.47 mi (1,180.41 km) |
| Romanshorn to Simeria | 656.74 mi (1,056.92 km) |
| Romanshorn to Sinaia | 784.35 mi (1,262.29 km) |
