| Allentown to Storm Lake (Iowa) | 1,025.98 mi (1,651.16 km) |
| Allentown to Storrs (Connecticut) | 187.35 mi (301.52 km) |
| Allentown to Stoughton (Wisconsin) | 725.63 mi (1,167.80 km) |
| Allentown to Stow (Ohio) | 313.77 mi (504.96 km) |
| Allentown to Streamwood (Illinois) | 665.93 mi (1,071.71 km) |
| Allentown to Streator (Illinois) | 698.10 mi (1,123.48 km) |
| Allentown to Streetsboro (Ohio) | 309.62 mi (498.29 km) |
| Allentown to Strongsville (Ohio) | 335.25 mi (539.53 km) |
| Allentown to Stuart (Florida) | 964.99 mi (1,553.00 km) |
| Allentown to Stuarts Draft (Virginia) | 260.59 mi (419.38 km) |
| Allentown to Sturgis (Michigan) | 523.24 mi (842.08 km) |
| Allentown to Suamico (Wisconsin) | 697.50 mi (1,122.52 km) |
| Allentown to Sudley (Virginia) | 164.76 mi (265.16 km) |
| Allentown to Suffern (New York) | 78.33 mi (126.05 km) |
| Allentown to Suffolk (Virginia) | 276.74 mi (445.36 km) |
