| Cave Spring to Alenquer | 3,756.65 mi (6,045.75 km) |
| Cave Spring to Alfena | 3,725.33 mi (5,995.35 km) |
| Cave Spring to Alijo | 3,775.28 mi (6,075.72 km) |
| Cave Spring to Aljustrel | 3,829.27 mi (6,162.62 km) |
| Cave Spring to Almada | 3,759.27 mi (6,049.96 km) |
| Cave Spring to Almargem | 3,749.25 mi (6,033.84 km) |
| Cave Spring to Almeirim | 3,772.59 mi (6,071.40 km) |
| Cave Spring to Amadora | 3,754.14 mi (6,041.70 km) |
| Cave Spring to Amarante | 3,746.87 mi (6,030.00 km) |
| Cave Spring to Amares | 3,725.34 mi (5,995.36 km) |
| Cave Spring to Amora | 3,762.65 mi (6,055.40 km) |
| Cave Spring to Anadia | 3,749.91 mi (6,034.90 km) |
| Cave Spring to Angra do Heroismo | 2,837.74 mi (4,566.91 km) |
| Cave Spring to Ansiao | 3,763.08 mi (6,056.10 km) |
| Cave Spring to Anta | 3,726.19 mi (5,996.72 km) |
