| Riehen to Southern Pines (North Carolina) | 4,352.96 mi (7,005.42 km) |
| Riehen to Southfield (Michigan) | 4,187.63 mi (6,739.34 km) |
| Riehen to Southgate (Michigan) | 4,197.37 mi (6,755.01 km) |
| Riehen to Southlake (Texas) | 5,188.76 mi (8,350.50 km) |
| Riehen to Spanaway (Washington) | 5,237.35 mi (8,428.71 km) |
| Riehen to Spanish Fork (Utah) | 5,326.59 mi (8,572.32 km) |
| Riehen to Spanish Lake (Missouri) | 4,629.16 mi (7,449.91 km) |
| Riehen to Spanish Springs (Nevada) | 5,596.54 mi (9,006.76 km) |
| Riehen to Sparks (Nevada) | 5,602.71 mi (9,016.70 km) |
| Riehen to Spartanburg (South Carolina) | 4,471.38 mi (7,195.99 km) |
| Riehen to Spearfish (South Dakota) | 4,839.07 mi (7,787.73 km) |
| Riehen to Speedway (Indiana) | 4,426.15 mi (7,123.20 km) |
| Riehen to Spencer (Iowa) | 4,606.76 mi (7,413.87 km) |
| Riehen to Spokane (Washington) | 5,075.20 mi (8,167.75 km) |
| Riehen to Spokane Valley (Washington) | 5,070.13 mi (8,159.59 km) |
