| Castleford to Security-Widefield (Colorado) | 4,598.33 mi (7,400.30 km) |
| Castleford to Sedalia (Missouri) | 4,196.00 mi (6,752.80 km) |
| Castleford to Sedro-Woolley (Washington) | 4,577.88 mi (7,367.39 km) |
| Castleford to Seguin (Texas) | 4,850.18 mi (7,805.61 km) |
| Castleford to Selden (New York) | 3,322.18 mi (5,346.54 km) |
| Castleford to Selma (Alabama) | 4,282.42 mi (6,891.89 km) |
| Castleford to Selma (California) | 5,196.52 mi (8,362.99 km) |
| Castleford to Selma (Texas) | 4,863.28 mi (7,826.69 km) |
| Castleford to Seminole (Florida) | 4,350.67 mi (7,001.72 km) |
| Castleford to Seven Hills (Ohio) | 3,633.42 mi (5,847.43 km) |
| Castleford to Seven Oaks (South Carolina) | 3,968.39 mi (6,386.51 km) |
| Castleford to Severn (Maryland) | 3,545.99 mi (5,706.73 km) |
| Castleford to Severna Park (Maryland) | 3,543.28 mi (5,702.36 km) |
| Castleford to Sevierville (Tennessee) | 3,971.94 mi (6,392.22 km) |
| Castleford to Seymour (Indiana) | 3,910.35 mi (6,293.10 km) |
