| Willoughby to Alenquer | 3,699.55 mi (5,953.84 km) |
| Willoughby to Alfena | 3,653.91 mi (5,880.39 km) |
| Willoughby to Alijo | 3,701.50 mi (5,956.99 km) |
| Willoughby to Aljustrel | 3,777.06 mi (6,078.59 km) |
| Willoughby to Almada | 3,704.71 mi (5,962.16 km) |
| Willoughby to Almargem | 3,693.93 mi (5,944.81 km) |
| Willoughby to Almeirim | 3,713.71 mi (5,976.64 km) |
| Willoughby to Amadora | 3,699.42 mi (5,953.65 km) |
| Willoughby to Amarante | 3,674.34 mi (5,913.29 km) |
| Willoughby to Amares | 3,651.22 mi (5,876.07 km) |
| Willoughby to Amora | 3,708.33 mi (5,967.98 km) |
| Willoughby to Anadia | 3,683.19 mi (5,927.52 km) |
| Willoughby to Angra do Heroismo | 2,822.02 mi (4,541.60 km) |
| Willoughby to Ansiao | 3,699.48 mi (5,953.74 km) |
| Willoughby to Anta | 3,656.37 mi (5,884.36 km) |
