| Chicago (Illinois) to Allentown | 639.86 mi (1,029.75 km) |
| Atlanta (Georgia) to Allentown | 681.54 mi (1,096.84 km) |
| St. Louis (Missouri) to Allentown | 796.70 mi (1,282.16 km) |
| Minneapolis (Minnesota) to Allentown | 949.07 mi (1,527.39 km) |
| Tampa (Florida) to Allentown | 956.42 mi (1,539.22 km) |
| Miami (Florida) to Allentown | 1,058.94 mi (1,704.20 km) |
| Brooklyn (New York) to Allentown | 80.11 mi (128.93 km) |
| New York (New York) to Allentown | 81.58 mi (131.29 km) |
| Queens (New York) to Allentown | 88.57 mi (142.54 km) |
| Baltimore (Maryland) to Allentown | 107.68 mi (173.29 km) |
| Dallas (Texas) to Allentown | 1,292.47 mi (2,080.02 km) |
| Houston (Texas) to Allentown | 1,344.80 mi (2,164.25 km) |
| Denver (Colorado) to Allentown | 1,545.87 mi (2,487.83 km) |
| Washington (District of Columbia) to Allentown | 142.67 mi (229.60 km) |
| Phoenix (Arizona) to Allentown | 2,059.84 mi (3,314.99 km) |
| Las Vegas (Nevada) to Allentown | 2,156.58 mi (3,470.67 km) |
| Riverside (California) to Allentown | 2,327.83 mi (3,746.27 km) |
| Seattle (Washington) to Allentown | 2,337.19 mi (3,761.35 km) |
| San Diego (California) to Allentown | 2,345.37 mi (3,774.51 km) |
| Portland (Oregon) to Allentown | 2,370.83 mi (3,815.48 km) |
| Los Angeles (California) to Allentown | 2,375.95 mi (3,823.72 km) |
| San Francisco (California) to Allentown | 2,493.54 mi (4,012.96 km) |
| Philadelphia (Pennsylvania) to Allentown | 44.46 mi (71.56 km) |
| Boston (Massachusetts) to Allentown | 256.57 mi (412.91 km) |
| Detroit (Michigan) to Allentown | 413.43 mi (665.34 km) |
