| Biga to Aberbargoed | 1,647.02 mi (2,650.62 km) |
| Biga to Aberdare | 1,656.40 mi (2,665.72 km) |
| Biga to Aberdeen | 1,753.12 mi (2,821.37 km) |
| Biga to Abergavenny | 1,641.10 mi (2,641.09 km) |
| Biga to Abergele | 1,695.35 mi (2,728.41 km) |
| Biga to Abertawe | 1,675.36 mi (2,696.23 km) |
| Biga to Abertillery | 1,643.83 mi (2,645.48 km) |
| Biga to Aberystwyth | 1,696.29 mi (2,729.92 km) |
| Biga to Abingdon | 1,567.24 mi (2,522.22 km) |
| Biga to Abram | 1,662.57 mi (2,675.65 km) |
| Biga to Accrington | 1,660.32 mi (2,672.03 km) |
| Biga to Acomb | 1,619.43 mi (2,606.22 km) |
| Biga to Acton | 1,522.73 mi (2,450.60 km) |
| Biga to Addlestone | 1,528.29 mi (2,459.54 km) |
| Biga to Adel | 1,633.57 mi (2,628.97 km) |
