| Cities | Distance |
|---|---|
| Portsmouth to Amersham | 63.73 mi (102.57 km) |
| Portsmouth to Amesbury | 39.39 mi (63.39 km) |
| Portsmouth to Ammanford | 143.07 mi (230.26 km) |
| Portsmouth to Ampthill | 88.16 mi (141.88 km) |
| Portsmouth to Andover | 32.62 mi (52.49 km) |
| Portsmouth to Annan | 302.53 mi (486.87 km) |
| Portsmouth to Antrim | 344.54 mi (554.48 km) |
| Portsmouth to Appleton | 186.40 mi (299.98 km) |
| Portsmouth to Appley Bridge | 203.71 mi (327.84 km) |
| Portsmouth to Arbroath | 402.32 mi (647.47 km) |
| Portsmouth to Ardrossan | 367.87 mi (592.02 km) |
| Portsmouth to Armadale | 367.94 mi (592.15 km) |
| Portsmouth to Armthorpe | 188.59 mi (303.50 km) |
| Portsmouth to Arnold | 151.96 mi (244.56 km) |
| Portsmouth to Ascot | 45.39 mi (73.04 km) |