| Portsmouth to Oschatz | 616.47 mi (992.12 km) |
| Portsmouth to Oschersleben | 537.54 mi (865.09 km) |
| Portsmouth to Osnabruck | 405.37 mi (652.38 km) |
| Portsmouth to Ostbevern | 393.92 mi (633.95 km) |
| Portsmouth to Osterburg | 565.18 mi (909.57 km) |
| Portsmouth to Ostercappeln | 413.85 mi (666.03 km) |
| Portsmouth to Osterhofen | 645.21 mi (1,038.37 km) |
| Portsmouth to Osterholz-Scharmbeck | 451.80 mi (727.10 km) |
| Portsmouth to Osternienburg | 569.42 mi (916.39 km) |
| Portsmouth to Osterode | 493.83 mi (794.74 km) |
| Portsmouth to Osterwieck | 514.66 mi (828.26 km) |
| Portsmouth to Ostfildern | 482.54 mi (776.57 km) |
| Portsmouth to Osthofen | 422.51 mi (679.96 km) |
| Portsmouth to Ostrhauderfehn | 403.16 mi (648.83 km) |
| Portsmouth to Ostringen | 448.26 mi (721.41 km) |
