| Castalla to Sangeorgiu de Mures | 1,384.37 mi (2,227.94 km) |
| Castalla to Sangeorz-Bai | 1,408.98 mi (2,267.54 km) |
| Castalla to Sannicolau Mare | 1,198.33 mi (1,928.52 km) |
| Castalla to Santana | 1,244.77 mi (2,003.26 km) |
| Castalla to Satu Mare | 1,338.51 mi (2,154.13 km) |
| Castalla to Scobinti | 1,511.11 mi (2,431.90 km) |
| Castalla to Scornicesti | 1,360.86 mi (2,190.09 km) |
| Castalla to Sebes | 1,332.93 mi (2,145.14 km) |
| Castalla to Seini | 1,354.87 mi (2,180.46 km) |
| Castalla to Sfantu-Gheorghe | 1,435.62 mi (2,310.40 km) |
| Castalla to Sibiu | 1,357.54 mi (2,184.75 km) |
| Castalla to Sighetu Marmatiei | 1,385.56 mi (2,229.84 km) |
| Castalla to Sighisoara | 1,393.96 mi (2,243.36 km) |
| Castalla to Simeria | 1,304.96 mi (2,100.14 km) |
| Castalla to Sinaia | 1,417.95 mi (2,281.97 km) |
