| Castellon de la Plana to Siran | 2,052.97 mi (3,303.93 km) |
| Castellon de la Plana to Sirnak | 2,274.28 mi (3,660.10 km) |
| Castellon de la Plana to Sirvan | 2,240.63 mi (3,605.95 km) |
| Castellon de la Plana to Sivas | 1,950.49 mi (3,139.02 km) |
| Castellon de la Plana to Sivasli | 1,586.38 mi (2,553.03 km) |
| Castellon de la Plana to Siverek | 2,105.33 mi (3,388.20 km) |
| Castellon de la Plana to Sivrice | 2,091.74 mi (3,366.32 km) |
| Castellon de la Plana to Sivrihisar | 1,669.49 mi (2,686.79 km) |
| Castellon de la Plana to Sogut | 1,591.42 mi (2,561.14 km) |
| Castellon de la Plana to Sogutlu | 1,597.80 mi (2,571.40 km) |
| Castellon de la Plana to Soke | 1,478.52 mi (2,379.44 km) |
| Castellon de la Plana to Solhan | 2,172.79 mi (3,496.77 km) |
| Castellon de la Plana to Soma | 1,467.01 mi (2,360.93 km) |
| Castellon de la Plana to Sorgun | 1,854.77 mi (2,984.97 km) |
| Castellon de la Plana to Suhut | 1,631.03 mi (2,624.88 km) |
