| Hertford to Southern Pines (North Carolina) | 3,929.53 mi (6,323.97 km) |
| Hertford to Southfield (Michigan) | 3,745.64 mi (6,028.02 km) |
| Hertford to Southgate (Michigan) | 3,755.81 mi (6,044.39 km) |
| Hertford to Southlake (Texas) | 4,745.37 mi (7,636.94 km) |
| Hertford to Spanaway (Washington) | 4,801.28 mi (7,726.92 km) |
| Hertford to Spanish Fork (Utah) | 4,876.85 mi (7,848.53 km) |
| Hertford to Spanish Lake (Missouri) | 4,185.81 mi (6,736.41 km) |
| Hertford to Spanish Springs (Nevada) | 5,151.00 mi (8,289.73 km) |
| Hertford to Sparks (Nevada) | 5,157.16 mi (8,299.64 km) |
| Hertford to Spartanburg (South Carolina) | 4,044.32 mi (6,508.71 km) |
| Hertford to Spearfish (South Dakota) | 4,388.63 mi (7,062.81 km) |
| Hertford to Speedway (Indiana) | 3,985.15 mi (6,413.48 km) |
| Hertford to Spencer (Iowa) | 4,157.13 mi (6,690.25 km) |
| Hertford to Spokane (Washington) | 4,634.41 mi (7,458.36 km) |
| Hertford to Spokane Valley (Washington) | 4,629.15 mi (7,449.89 km) |
