| Allentown to Sumter (South Carolina) | 533.31 mi (858.28 km) |
| Allentown to Sun City (Arizona) | 2,068.69 mi (3,329.23 km) |
| Allentown to Sun City Center (Florida) | 972.25 mi (1,564.69 km) |
| Allentown to Sun City West (Arizona) | 2,071.14 mi (3,333.17 km) |
| Allentown to Sun Lakes (Arizona) | 2,058.56 mi (3,312.93 km) |
| Allentown to Sun Prairie (Wisconsin) | 729.06 mi (1,173.31 km) |
| Allentown to Sun Valley (Nevada) | 2,317.18 mi (3,729.14 km) |
| Allentown to Sun Village (California) | 2,340.12 mi (3,766.06 km) |
| Allentown to Sunland Park (New Mexico) | 1,826.49 mi (2,939.45 km) |
| Allentown to Sunny Isles Beach (Florida) | 1,047.31 mi (1,685.49 km) |
| Allentown to Sunnyside (Washington) | 2,237.77 mi (3,601.35 km) |
| Allentown to Sunnyvale (California) | 2,480.61 mi (3,992.15 km) |
| Allentown to Sunrise (Florida) | 1,035.44 mi (1,666.37 km) |
| Allentown to Sunrise Manor (Nevada) | 2,146.57 mi (3,454.57 km) |
| Allentown to Sunset (Florida) | 1,066.31 mi (1,716.05 km) |
