| Clay to Alenquer | 4,198.70 mi (6,757.16 km) |
| Clay to Alfena | 4,168.94 mi (6,709.26 km) |
| Clay to Alijo | 4,219.03 mi (6,789.87 km) |
| Clay to Aljustrel | 4,270.54 mi (6,872.77 km) |
| Clay to Almada | 4,200.95 mi (6,760.78 km) |
| Clay to Almargem | 4,191.06 mi (6,744.86 km) |
| Clay to Almeirim | 4,214.87 mi (6,783.18 km) |
| Clay to Amadora | 4,195.85 mi (6,752.57 km) |
| Clay to Amarante | 4,190.54 mi (6,744.03 km) |
| Clay to Amares | 4,169.13 mi (6,709.57 km) |
| Clay to Amora | 4,204.30 mi (6,766.16 km) |
| Clay to Anadia | 4,193.10 mi (6,748.14 km) |
| Clay to Angra do Heroismo | 3,272.58 mi (5,266.71 km) |
| Clay to Ansiao | 4,205.94 mi (6,768.80 km) |
| Clay to Anta | 4,169.66 mi (6,710.43 km) |
