| Portchester to Aberaman | 116.24 mi (187.07 km) |
| Portchester to Aberbargoed | 108.44 mi (174.52 km) |
| Portchester to Aberdare | 117.12 mi (188.49 km) |
| Portchester to Aberdeen | 437.68 mi (704.38 km) |
| Portchester to Abergavenny | 106.33 mi (171.12 km) |
| Portchester to Abergele | 198.20 mi (318.98 km) |
| Portchester to Abertawe | 133.62 mi (215.04 km) |
| Portchester to Abertillery | 106.34 mi (171.13 km) |
| Portchester to Aberystwyth | 167.09 mi (268.90 km) |
| Portchester to Abingdon | 57.44 mi (92.43 km) |
| Portchester to Abram | 194.41 mi (312.87 km) |
| Portchester to Accrington | 207.90 mi (334.59 km) |
| Portchester to Acomb | 215.09 mi (346.15 km) |
| Portchester to Acton | 59.21 mi (95.29 km) |
| Portchester to Addlestone | 45.55 mi (73.31 km) |
