| Flensburg to Southern Pines (North Carolina) | 4,234.74 mi (6,815.15 km) |
| Flensburg to Southfield (Michigan) | 3,999.24 mi (6,436.15 km) |
| Flensburg to Southgate (Michigan) | 4,011.11 mi (6,455.26 km) |
| Flensburg to Southlake (Texas) | 4,986.17 mi (8,024.46 km) |
| Flensburg to Spanaway (Washington) | 4,859.91 mi (7,821.26 km) |
| Flensburg to Spanish Fork (Utah) | 5,017.73 mi (8,075.26 km) |
| Flensburg to Spanish Lake (Missouri) | 4,430.32 mi (7,129.91 km) |
| Flensburg to Spanish Springs (Nevada) | 5,253.51 mi (8,454.70 km) |
| Flensburg to Sparks (Nevada) | 5,259.76 mi (8,464.76 km) |
| Flensburg to Spartanburg (South Carolina) | 4,340.81 mi (6,985.86 km) |
| Flensburg to Spearfish (South Dakota) | 4,545.50 mi (7,315.28 km) |
| Flensburg to Speedway (Indiana) | 4,241.01 mi (6,825.24 km) |
| Flensburg to Spencer (Iowa) | 4,358.58 mi (7,014.45 km) |
| Flensburg to Spokane (Washington) | 4,714.08 mi (7,586.58 km) |
| Flensburg to Spokane Valley (Washington) | 4,709.76 mi (7,579.63 km) |
