| Cave to Aberbargoed | 1,021.04 mi (1,643.20 km) |
| Cave to Aberdare | 1,029.40 mi (1,656.66 km) |
| Cave to Aberdeen | 1,250.16 mi (2,011.94 km) |
| Cave to Abergavenny | 1,019.04 mi (1,639.98 km) |
| Cave to Abergele | 1,099.58 mi (1,769.60 km) |
| Cave to Abertawe | 1,043.47 mi (1,679.30 km) |
| Cave to Abertillery | 1,019.11 mi (1,640.10 km) |
| Cave to Aberystwyth | 1,079.55 mi (1,737.36 km) |
| Cave to Abingdon | 954.02 mi (1,535.35 km) |
| Cave to Abram | 1,078.93 mi (1,736.37 km) |
| Cave to Accrington | 1,083.70 mi (1,744.04 km) |
| Cave to Acomb | 1,057.89 mi (1,702.51 km) |
| Cave to Acton | 914.24 mi (1,471.34 km) |
| Cave to Addlestone | 914.74 mi (1,472.14 km) |
| Cave to Adel | 1,065.58 mi (1,714.89 km) |
