| Slough to Alhendin | 1,005.59 mi (1,618.35 km) |
| Slough to Alicante | 909.50 mi (1,463.69 km) |
| Slough to Aljaraque | 1,032.93 mi (1,662.35 km) |
| Slough to Almagro | 884.95 mi (1,424.19 km) |
| Slough to Almansa | 873.70 mi (1,406.08 km) |
| Slough to Almazora | 799.67 mi (1,286.95 km) |
| Slough to Almendralejo | 929.86 mi (1,496.47 km) |
| Slough to Almeria | 1,017.65 mi (1,637.75 km) |
| Slough to Almonte | 1,025.77 mi (1,650.82 km) |
| Slough to Almoradi | 925.81 mi (1,489.95 km) |
| Slough to Almunecar | 1,032.11 mi (1,661.02 km) |
| Slough to Almusafes | 844.23 mi (1,358.66 km) |
| Slough to Alovera | 764.50 mi (1,230.35 km) |
| Slough to Alpedrete | 767.40 mi (1,235.01 km) |
| Slough to Altea | 892.36 mi (1,436.11 km) |
