| Allentown to St. Simons (Georgia) | 729.57 mi (1,174.13 km) |
| Allentown to Stafford (Texas) | 1,359.97 mi (2,188.66 km) |
| Allentown to Stallings (North Carolina) | 472.80 mi (760.90 km) |
| Allentown to Stamford (Connecticut) | 106.16 mi (170.84 km) |
| Allentown to Stanford (California) | 2,486.95 mi (4,002.36 km) |
| Allentown to Stanton (California) | 2,363.07 mi (3,803.00 km) |
| Allentown to Star (Idaho) | 2,090.49 mi (3,364.32 km) |
| Allentown to Starkville (Mississippi) | 884.79 mi (1,423.93 km) |
| Allentown to State College (Pennsylvania) | 125.46 mi (201.91 km) |
| Allentown to Staten Island (New York) | 69.58 mi (111.98 km) |
| Allentown to Statesboro (Georgia) | 662.97 mi (1,066.95 km) |
| Allentown to Statesville (North Carolina) | 442.97 mi (712.89 km) |
| Allentown to Staunton (Virginia) | 254.94 mi (410.29 km) |
| Allentown to Steamboat Springs (Colorado) | 1,637.33 mi (2,635.03 km) |
| Allentown to Steiner Ranch (Texas) | 1,439.90 mi (2,317.30 km) |
