| Allentown to Ansonia (Connecticut) | 135.77 mi (218.51 km) |
| Allentown to Antelope (California) | 2,416.50 mi (3,888.98 km) |
| Allentown to Anthem (Arizona) | 2,053.27 mi (3,304.42 km) |
| Allentown to Antioch (California) | 2,455.04 mi (3,951.00 km) |
| Allentown to Antioch (Illinois) | 663.62 mi (1,068.00 km) |
| Allentown to Apache Junction (Arizona) | 2,035.77 mi (3,276.25 km) |
| Allentown to Apex (North Carolina) | 383.88 mi (617.79 km) |
| Allentown to Apollo Beach (Florida) | 970.25 mi (1,561.47 km) |
| Allentown to Apopka (Florida) | 890.41 mi (1,432.98 km) |
| Allentown to Apple Valley (California) | 2,301.77 mi (3,704.34 km) |
| Allentown to Apple Valley (Minnesota) | 942.74 mi (1,517.20 km) |
| Allentown to Appleton (Wisconsin) | 704.96 mi (1,134.52 km) |
| Allentown to Arbutus (Maryland) | 113.57 mi (182.78 km) |
| Allentown to Arcadia (California) | 2,356.04 mi (3,791.67 km) |
| Allentown to Arcata (California) | 2,511.01 mi (4,041.08 km) |
