| Allentown to San Diego (California) | 2,345.37 mi (3,774.51 km) |
| Allentown to San Diego Country Estates (California) | 2,322.56 mi (3,737.80 km) |
| Allentown to San Dimas (California) | 2,344.79 mi (3,773.58 km) |
| Allentown to San Fernando (California) | 2,372.67 mi (3,818.44 km) |
| Allentown to San Francisco (California) | 2,493.54 mi (4,012.96 km) |
| Allentown to San Gabriel (California) | 2,360.36 mi (3,798.63 km) |
| Allentown to San Germán (Puerto Rico) | 1,634.26 mi (2,630.09 km) |
| Allentown to San Jacinto (California) | 2,310.64 mi (3,718.61 km) |
| Allentown to San Jose (California) | 2,473.39 mi (3,980.54 km) |
| Allentown to San Juan (Puerto Rico) | 1,632.39 mi (2,627.08 km) |
| Allentown to San Juan (Texas) | 1,635.30 mi (2,631.76 km) |
| Allentown to San Juan Capistrano (California) | 2,353.80 mi (3,788.08 km) |
| Allentown to San Leandro (California) | 2,479.98 mi (3,991.14 km) |
| Allentown to San Lorenzo (California) | 2,479.39 mi (3,990.20 km) |
| Allentown to San Luis (Arizona) | 2,228.94 mi (3,587.13 km) |
