| Helena to Aberaman | 4,439.34 mi (7,144.43 km) |
| Helena to Aberbargoed | 4,445.97 mi (7,155.10 km) |
| Helena to Aberdare | 4,438.36 mi (7,142.85 km) |
| Helena to Aberdeen | 4,220.96 mi (6,792.98 km) |
| Helena to Abergavenny | 4,446.28 mi (7,155.59 km) |
| Helena to Abergele | 4,359.90 mi (7,016.58 km) |
| Helena to Abertawe | 4,427.26 mi (7,124.99 km) |
| Helena to Abertillery | 4,447.28 mi (7,157.21 km) |
| Helena to Aberystwyth | 4,385.46 mi (7,057.72 km) |
| Helena to Abingdon | 4,506.84 mi (7,253.06 km) |
| Helena to Abram | 4,378.85 mi (7,047.07 km) |
| Helena to Accrington | 4,373.82 mi (7,038.98 km) |
| Helena to Acomb | 4,400.49 mi (7,081.90 km) |
| Helena to Acton | 4,544.96 mi (7,314.40 km) |
| Helena to Addlestone | 4,545.44 mi (7,315.18 km) |
