| Youngsville to Smithville (Missouri) | 658.64 mi (1,059.98 km) |
| Youngsville to Smyrna (Delaware) | 1,124.32 mi (1,809.43 km) |
| Youngsville to Smyrna (Georgia) | 509.60 mi (820.13 km) |
| Youngsville to Smyrna (Tennessee) | 514.60 mi (828.17 km) |
| Youngsville to Snellville (Georgia) | 535.42 mi (861.68 km) |
| Youngsville to Snoqualmie (Washington) | 1,987.53 mi (3,198.62 km) |
| Youngsville to Snyder (Texas) | 555.72 mi (894.34 km) |
| Youngsville to Socastee (South Carolina) | 800.62 mi (1,288.47 km) |
| Youngsville to Socorro (Texas) | 851.97 mi (1,371.11 km) |
| Youngsville to Soddy-Daisy (Tennessee) | 533.21 mi (858.11 km) |
| Youngsville to Solana Beach (California) | 1,497.19 mi (2,409.50 km) |
| Youngsville to Soledad (California) | 1,743.64 mi (2,806.12 km) |
| Youngsville to Solon (Ohio) | 977.64 mi (1,573.36 km) |
| Youngsville to Somers Point (New Jersey) | 1,172.16 mi (1,886.40 km) |
| Youngsville to Somerset (Kentucky) | 642.79 mi (1,034.46 km) |
