| Allentown to Saddlebrooke (Arizona) | 2,026.06 mi (3,260.63 km) |
| Allentown to Safety Harbor (Florida) | 961.57 mi (1,547.50 km) |
| Allentown to Saginaw (Michigan) | 476.52 mi (766.89 km) |
| Allentown to Saginaw (Texas) | 1,319.92 mi (2,124.20 km) |
| Allentown to Sahuarita (Arizona) | 2,050.17 mi (3,299.42 km) |
| Allentown to Saks (Alabama) | 742.61 mi (1,195.11 km) |
| Allentown to Salem (Massachusetts) | 270.97 mi (436.09 km) |
| Allentown to Salem (Ohio) | 282.03 mi (453.88 km) |
| Allentown to Salem (Oregon) | 2,395.77 mi (3,855.63 km) |
| Allentown to Salem (Virginia) | 335.87 mi (540.53 km) |
| Allentown to Salem Lakes (Wisconsin) | 667.12 mi (1,073.62 km) |
| Allentown to Salida (California) | 2,424.50 mi (3,901.86 km) |
| Allentown to Salina (Kansas) | 1,180.10 mi (1,899.19 km) |
| Allentown to Salinas (California) | 2,476.95 mi (3,986.27 km) |
| Allentown to Salisbury (Maryland) | 153.54 mi (247.09 km) |
