| Kardzhali to Superior (Colorado) | 6,003.34 mi (9,661.44 km) |
| Kardzhali to Superior (Wisconsin) | 5,228.85 mi (8,415.03 km) |
| Kardzhali to Surprise (Arizona) | 6,583.89 mi (10,595.75 km) |
| Kardzhali to Susanville (California) | 6,379.12 mi (10,266.20 km) |
| Kardzhali to Sussex (Wisconsin) | 5,274.53 mi (8,488.54 km) |
| Kardzhali to Suwanee (Georgia) | 5,557.73 mi (8,944.30 km) |
| Kardzhali to Swansea (Illinois) | 5,566.41 mi (8,958.27 km) |
| Kardzhali to Sweetwater (Florida) | 5,796.14 mi (9,327.98 km) |
| Kardzhali to Sweetwater (Texas) | 6,265.01 mi (10,082.55 km) |
| Kardzhali to Sycamore (Illinois) | 5,346.99 mi (8,605.15 km) |
| Kardzhali to Sylacauga (Alabama) | 5,689.59 mi (9,156.51 km) |
| Kardzhali to Sylvania (Ohio) | 5,177.65 mi (8,332.63 km) |
| Kardzhali to Syosset (New York) | 4,814.68 mi (7,748.47 km) |
| Kardzhali to Syracuse (New York) | 4,825.61 mi (7,766.07 km) |
| Kardzhali to Syracuse (Utah) | 6,131.52 mi (9,867.73 km) |
