| Hennef to Superior (Colorado) | 4,961.26 mi (7,984.37 km) |
| Hennef to Superior (Wisconsin) | 4,176.50 mi (6,721.43 km) |
| Hennef to Surprise (Arizona) | 5,547.29 mi (8,927.50 km) |
| Hennef to Susanville (California) | 5,394.21 mi (8,681.14 km) |
| Hennef to Sussex (Wisconsin) | 4,211.81 mi (6,778.26 km) |
| Hennef to Suwanee (Georgia) | 4,496.16 mi (7,235.88 km) |
| Hennef to Swansea (Illinois) | 4,501.31 mi (7,244.15 km) |
| Hennef to Sweetwater (Florida) | 4,759.71 mi (7,660.01 km) |
| Hennef to Sweetwater (Texas) | 5,202.49 mi (8,372.60 km) |
| Hennef to Sycamore (Illinois) | 4,283.49 mi (6,893.61 km) |
| Hennef to Sylacauga (Alabama) | 4,626.93 mi (7,446.32 km) |
| Hennef to Sylvania (Ohio) | 4,112.06 mi (6,617.72 km) |
| Hennef to Syosset (New York) | 3,754.26 mi (6,041.90 km) |
| Hennef to Syracuse (New York) | 3,760.82 mi (6,052.45 km) |
| Hennef to Syracuse (Utah) | 5,113.20 mi (8,228.90 km) |
