| Allentown to Oschatz | 4,055.46 mi (6,526.63 km) |
| Allentown to Oschersleben | 3,962.13 mi (6,376.43 km) |
| Allentown to Osnabruck | 3,831.20 mi (6,165.72 km) |
| Allentown to Ostbevern | 3,830.05 mi (6,163.87 km) |
| Allentown to Osterburg | 3,958.76 mi (6,371.01 km) |
| Allentown to Ostercappeln | 3,836.44 mi (6,174.16 km) |
| Allentown to Osterhofen | 4,136.29 mi (6,656.71 km) |
| Allentown to Osterholz-Scharmbeck | 3,834.14 mi (6,170.45 km) |
| Allentown to Osternienburg | 3,998.06 mi (6,434.26 km) |
| Allentown to Osterode | 3,932.32 mi (6,328.46 km) |
| Allentown to Osterwieck | 3,943.17 mi (6,345.92 km) |
| Allentown to Ostfildern | 3,982.94 mi (6,409.92 km) |
| Allentown to Osthofen | 3,916.11 mi (6,302.36 km) |
| Allentown to Ostrhauderfehn | 3,791.81 mi (6,102.32 km) |
| Allentown to Ostringen | 3,946.17 mi (6,350.75 km) |
