| Rickmansworth to Alenquer | 962.25 mi (1,548.59 km) |
| Rickmansworth to Alfena | 813.48 mi (1,309.17 km) |
| Rickmansworth to Alijo | 788.99 mi (1,269.76 km) |
| Rickmansworth to Aljustrel | 1,019.15 mi (1,640.17 km) |
| Rickmansworth to Almada | 988.77 mi (1,591.27 km) |
| Rickmansworth to Almargem | 980.44 mi (1,577.86 km) |
| Rickmansworth to Almeirim | 944.55 mi (1,520.11 km) |
| Rickmansworth to Amadora | 986.93 mi (1,588.30 km) |
| Rickmansworth to Amarante | 801.74 mi (1,290.28 km) |
| Rickmansworth to Amares | 785.58 mi (1,264.27 km) |
| Rickmansworth to Amora | 991.41 mi (1,595.51 km) |
| Rickmansworth to Anadia | 862.16 mi (1,387.51 km) |
| Rickmansworth to Angra do Heroismo | 1,568.06 mi (2,523.55 km) |
| Rickmansworth to Ansiao | 895.02 mi (1,440.39 km) |
| Rickmansworth to Anta | 830.12 mi (1,335.95 km) |
