| Allentown to Tutzing | 4,091.99 mi (6,585.42 km) |
| Allentown to Twist | 3,782.78 mi (6,087.79 km) |
| Allentown to Twistringen | 3,839.96 mi (6,179.82 km) |
| Allentown to Ubach-Palenberg | 3,792.76 mi (6,103.86 km) |
| Allentown to Uberherrn | 3,863.26 mi (6,217.32 km) |
| Allentown to Uberlingen | 4,009.49 mi (6,452.65 km) |
| Allentown to Ubstadt-Weiher | 3,944.31 mi (6,347.75 km) |
| Allentown to Ueckermunde | 4,014.22 mi (6,460.27 km) |
| Allentown to Uelzen | 3,908.12 mi (6,289.50 km) |
| Allentown to Uetersen | 3,853.85 mi (6,202.18 km) |
| Allentown to Uetze | 3,908.84 mi (6,290.67 km) |
| Allentown to Uhingen | 3,997.72 mi (6,433.72 km) |
| Allentown to Ulm | 4,023.25 mi (6,474.79 km) |
| Allentown to Unna | 3,837.97 mi (6,176.61 km) |
| Allentown to Unterfohring | 4,097.92 mi (6,594.96 km) |
