| Allentown to Yonkers (New York) | 87.57 mi (140.93 km) |
| Allentown to Yorba Linda (California) | 2,348.94 mi (3,780.25 km) |
| Allentown to York (Pennsylvania) | 79.26 mi (127.56 km) |
| Allentown to Yorktown (Indiana) | 528.67 mi (850.81 km) |
| Allentown to Yorkville (Illinois) | 678.60 mi (1,092.10 km) |
| Allentown to Youngstown (Ohio) | 272.44 mi (438.44 km) |
| Allentown to Youngsville (Louisiana) | 1,176.91 mi (1,894.05 km) |
| Allentown to Ypsilanti (Michigan) | 436.91 mi (703.14 km) |
| Allentown to Yuba City (California) | 2,421.83 mi (3,897.56 km) |
| Allentown to Yucaipa (California) | 2,306.71 mi (3,712.29 km) |
| Allentown to Yucca Valley (California) | 2,271.65 mi (3,655.87 km) |
| Allentown to Yukon (Oklahoma) | 1,258.35 mi (2,025.12 km) |
| Allentown to Yulee (Florida) | 768.11 mi (1,236.15 km) |
| Allentown to Yuma (Arizona) | 2,217.30 mi (3,568.40 km) |
| Allentown to Zachary (Louisiana) | 1,113.76 mi (1,792.43 km) |
