| Guadarrama to Adwick le Street | 901.10 mi (1,450.18 km) |
| Guadarrama to Ainsdale | 894.66 mi (1,439.82 km) |
| Guadarrama to Airdrie | 1,049.35 mi (1,688.76 km) |
| Guadarrama to Aldenham | 780.44 mi (1,256.00 km) |
| Guadarrama to Aldershot | 747.76 mi (1,203.41 km) |
| Guadarrama to Aldridge | 830.81 mi (1,337.06 km) |
| Guadarrama to Alfreton | 867.74 mi (1,396.50 km) |
| Guadarrama to Allestree | 857.14 mi (1,379.43 km) |
| Guadarrama to Alloa | 1,067.11 mi (1,717.34 km) |
| Guadarrama to Almondbury | 902.15 mi (1,451.88 km) |
| Guadarrama to Alsager | 862.42 mi (1,387.93 km) |
| Guadarrama to Alton | 739.01 mi (1,189.32 km) |
| Guadarrama to Altrincham | 881.97 mi (1,419.39 km) |
| Guadarrama to Amblecote | 819.48 mi (1,318.82 km) |
| Guadarrama to Amersham | 778.16 mi (1,252.32 km) |
