| Dundalk to Aberaman | 3,486.82 mi (5,611.49 km) |
| Dundalk to Aberbargoed | 3,495.49 mi (5,625.44 km) |
| Dundalk to Aberdare | 3,486.09 mi (5,610.32 km) |
| Dundalk to Aberdeen | 3,444.23 mi (5,542.95 km) |
| Dundalk to Abergavenny | 3,501.52 mi (5,635.14 km) |
| Dundalk to Abergele | 3,451.64 mi (5,554.88 km) |
| Dundalk to Abertawe | 3,467.13 mi (5,579.81 km) |
| Dundalk to Abertillery | 3,498.70 mi (5,630.61 km) |
| Dundalk to Aberystwyth | 3,446.97 mi (5,547.36 km) |
| Dundalk to Abingdon | 3,575.61 mi (5,754.39 km) |
| Dundalk to Abram | 3,487.01 mi (5,611.79 km) |
| Dundalk to Accrington | 3,491.39 mi (5,618.85 km) |
| Dundalk to Acomb | 3,536.22 mi (5,690.99 km) |
| Dundalk to Acton | 3,620.22 mi (5,826.18 km) |
| Dundalk to Addlestone | 3,614.38 mi (5,816.78 km) |
