| Clacton-on-Sea to Alenquer | 1,006.74 mi (1,620.18 km) |
| Clacton-on-Sea to Alfena | 860.41 mi (1,384.69 km) |
| Clacton-on-Sea to Alijo | 832.81 mi (1,340.28 km) |
| Clacton-on-Sea to Aljustrel | 1,059.64 mi (1,705.32 km) |
| Clacton-on-Sea to Almada | 1,033.07 mi (1,662.56 km) |
| Clacton-on-Sea to Almargem | 1,025.29 mi (1,650.04 km) |
| Clacton-on-Sea to Almeirim | 988.17 mi (1,590.31 km) |
| Clacton-on-Sea to Amadora | 1,031.50 mi (1,660.04 km) |
| Clacton-on-Sea to Amarante | 847.38 mi (1,363.72 km) |
| Clacton-on-Sea to Amares | 832.71 mi (1,340.11 km) |
| Clacton-on-Sea to Amora | 1,035.52 mi (1,666.51 km) |
| Clacton-on-Sea to Anadia | 907.32 mi (1,460.19 km) |
| Clacton-on-Sea to Angra do Heroismo | 1,635.58 mi (2,632.21 km) |
| Clacton-on-Sea to Ansiao | 939.28 mi (1,511.62 km) |
| Clacton-on-Sea to Anta | 876.89 mi (1,411.22 km) |
