| Youngsville to Sunset (Florida) | 772.45 mi (1,243.14 km) |
| Youngsville to Superior (Colorado) | 1,006.26 mi (1,619.43 km) |
| Youngsville to Superior (Wisconsin) | 1,146.81 mi (1,845.61 km) |
| Youngsville to Surprise (Arizona) | 1,223.11 mi (1,968.41 km) |
| Youngsville to Susanville (California) | 1,754.83 mi (2,824.13 km) |
| Youngsville to Sussex (Wisconsin) | 924.58 mi (1,487.97 km) |
| Youngsville to Suwanee (Georgia) | 538.36 mi (866.40 km) |
| Youngsville to Swansea (Illinois) | 595.26 mi (957.98 km) |
| Youngsville to Sweetwater (Florida) | 769.00 mi (1,237.58 km) |
| Youngsville to Sweetwater (Texas) | 522.91 mi (841.54 km) |
| Youngsville to Sycamore (Illinois) | 842.57 mi (1,355.99 km) |
| Youngsville to Sylacauga (Alabama) | 398.89 mi (641.96 km) |
| Youngsville to Sylvania (Ohio) | 925.74 mi (1,489.84 km) |
| Youngsville to Syosset (New York) | 1,273.12 mi (2,048.89 km) |
| Youngsville to Syracuse (New York) | 1,250.32 mi (2,012.19 km) |
