| Cities | Distance |
|---|---|
| Alton to Alenquer | 922.08 mi (1,483.95 km) |
| Alton to Alfena | 773.21 mi (1,244.35 km) |
| Alton to Alijo | 748.90 mi (1,205.24 km) |
| Alton to Aljustrel | 979.34 mi (1,576.10 km) |
| Alton to Almada | 948.61 mi (1,526.64 km) |
| Alton to Almargem | 940.25 mi (1,513.18 km) |
| Alton to Almeirim | 904.45 mi (1,455.57 km) |
| Alton to Amadora | 946.75 mi (1,523.65 km) |
| Alton to Amarante | 761.52 mi (1,225.56 km) |
| Alton to Amares | 745.30 mi (1,199.45 km) |
| Alton to Amora | 951.26 mi (1,530.91 km) |
| Alton to Anadia | 821.96 mi (1,322.82 km) |
| Alton to Angra do Heroismo | 1,534.14 mi (2,468.96 km) |
| Alton to Ansiao | 854.87 mi (1,375.78 km) |
| Alton to Anta | 789.85 mi (1,271.14 km) |