| Hemel Hempstead to Security-Widefield (Colorado) | 4,706.26 mi (7,573.99 km) |
| Hemel Hempstead to Sedalia (Missouri) | 4,291.31 mi (6,906.20 km) |
| Hemel Hempstead to Sedro-Woolley (Washington) | 4,707.73 mi (7,576.37 km) |
| Hemel Hempstead to Seguin (Texas) | 4,939.21 mi (7,948.90 km) |
| Hemel Hempstead to Selden (New York) | 3,396.02 mi (5,465.37 km) |
| Hemel Hempstead to Selma (Alabama) | 4,360.30 mi (7,017.23 km) |
| Hemel Hempstead to Selma (California) | 5,316.76 mi (8,556.50 km) |
| Hemel Hempstead to Selma (Texas) | 4,952.77 mi (7,970.72 km) |
| Hemel Hempstead to Seminole (Florida) | 4,414.78 mi (7,104.90 km) |
| Hemel Hempstead to Seven Hills (Ohio) | 3,719.29 mi (5,985.63 km) |
| Hemel Hempstead to Seven Oaks (South Carolina) | 4,040.47 mi (6,502.51 km) |
| Hemel Hempstead to Severn (Maryland) | 3,621.22 mi (5,827.79 km) |
| Hemel Hempstead to Severna Park (Maryland) | 3,618.24 mi (5,823.00 km) |
| Hemel Hempstead to Sevierville (Tennessee) | 4,050.63 mi (6,518.87 km) |
| Hemel Hempstead to Seymour (Indiana) | 3,997.20 mi (6,432.88 km) |
