| Allentown to Oststeinbek | 3,876.49 mi (6,238.60 km) |
| Allentown to Ottendorf-Okrilla | 4,086.90 mi (6,577.23 km) |
| Allentown to Ottersberg | 3,850.66 mi (6,197.04 km) |
| Allentown to Ottobrunn | 4,102.56 mi (6,602.43 km) |
| Allentown to Ottweiler | 3,878.96 mi (6,242.58 km) |
| Allentown to Overath | 3,839.00 mi (6,178.27 km) |
| Allentown to Oyten | 3,846.72 mi (6,190.70 km) |
| Allentown to Paderborn | 3,874.47 mi (6,235.35 km) |
| Allentown to Papenburg | 3,784.86 mi (6,091.14 km) |
| Allentown to Parchim | 3,942.41 mi (6,344.69 km) |
| Allentown to Pasewalk | 4,019.99 mi (6,469.55 km) |
| Allentown to Passau | 4,158.32 mi (6,692.18 km) |
| Allentown to Pattensen | 3,897.88 mi (6,273.03 km) |
| Allentown to Pegnitz | 4,043.36 mi (6,507.16 km) |
| Allentown to Peine | 3,914.22 mi (6,299.33 km) |
