| Allentown to South Fulton (Georgia) | 694.59 mi (1,117.83 km) |
| Allentown to South Gate (California) | 2,369.45 mi (3,813.26 km) |
| Allentown to South Hill (Washington) | 2,339.01 mi (3,764.28 km) |
| Allentown to South Holland (Illinois) | 634.66 mi (1,021.39 km) |
| Allentown to South Houston (Texas) | 1,342.84 mi (2,161.10 km) |
| Allentown to South Huntington (New York) | 110.24 mi (177.41 km) |
| Allentown to South Jordan (Utah) | 1,901.63 mi (3,060.37 km) |
| Allentown to South Lake Tahoe (California) | 2,341.11 mi (3,767.66 km) |
| Allentown to South Laurel (Maryland) | 128.62 mi (207.00 km) |
| Allentown to South Lyon (Michigan) | 441.94 mi (711.24 km) |
| Allentown to South Miami (Florida) | 1,065.31 mi (1,714.45 km) |
| Allentown to South Miami Heights (Florida) | 1,074.68 mi (1,729.52 km) |
| Allentown to South Milwaukee (Wisconsin) | 657.55 mi (1,058.23 km) |
| Allentown to South Ogden (Utah) | 1,892.01 mi (3,044.90 km) |
| Allentown to South Pasadena (California) | 2,362.98 mi (3,802.86 km) |
