| Youngsville to Suffolk (Virginia) | 994.60 mi (1,600.65 km) |
| Youngsville to Sugar Hill (Georgia) | 540.89 mi (870.47 km) |
| Youngsville to Sugar Land (Texas) | 220.82 mi (355.38 km) |
| Youngsville to Sugarland Run (Virginia) | 1,033.68 mi (1,663.55 km) |
| Youngsville to Sugarmill Woods (Florida) | 579.09 mi (931.95 km) |
| Youngsville to Suisun City (California) | 1,796.43 mi (2,891.08 km) |
| Youngsville to Suitland (Maryland) | 1,047.93 mi (1,686.48 km) |
| Youngsville to Sulphur (Louisiana) | 81.74 mi (131.55 km) |
| Youngsville to Sulphur Springs (Texas) | 299.18 mi (481.48 km) |
| Youngsville to Summerfield (Maryland) | 1,052.40 mi (1,693.68 km) |
| Youngsville to Summerfield (North Carolina) | 815.99 mi (1,313.21 km) |
| Youngsville to Summerlin South (Nevada) | 1,409.23 mi (2,267.94 km) |
| Youngsville to Summerville (South Carolina) | 723.69 mi (1,164.66 km) |
| Youngsville to Summit (Illinois) | 840.70 mi (1,352.97 km) |
| Youngsville to Summit (New Jersey) | 1,230.68 mi (1,980.58 km) |
