| Castleford to Sangeorgiu de Mures | 1,237.34 mi (1,991.31 km) |
| Castleford to Sangeorz-Bai | 1,215.93 mi (1,956.85 km) |
| Castleford to Sannicolau Mare | 1,105.24 mi (1,778.72 km) |
| Castleford to Santana | 1,128.06 mi (1,815.43 km) |
| Castleford to Satu Mare | 1,129.33 mi (1,817.48 km) |
| Castleford to Scobinti | 1,306.40 mi (2,102.44 km) |
| Castleford to Scornicesti | 1,320.01 mi (2,124.34 km) |
| Castleford to Sebes | 1,224.63 mi (1,970.86 km) |
| Castleford to Seini | 1,146.65 mi (1,845.36 km) |
| Castleford to Sfantu-Gheorghe | 1,316.19 mi (2,118.21 km) |
| Castleford to Sibiu | 1,254.18 mi (2,018.41 km) |
| Castleford to Sighetu Marmatiei | 1,164.85 mi (1,874.65 km) |
| Castleford to Sighisoara | 1,262.92 mi (2,032.47 km) |
| Castleford to Simeria | 1,207.05 mi (1,942.55 km) |
| Castleford to Sinaia | 1,327.10 mi (2,135.77 km) |
