| Richardson to Alenquer | 4,721.87 mi (7,599.11 km) |
| Richardson to Alfena | 4,680.69 mi (7,532.84 km) |
| Richardson to Alijo | 4,728.88 mi (7,610.40 km) |
| Richardson to Aljustrel | 4,797.51 mi (7,720.84 km) |
| Richardson to Almada | 4,726.04 mi (7,605.83 km) |
| Richardson to Almargem | 4,715.56 mi (7,588.96 km) |
| Richardson to Almeirim | 4,736.71 mi (7,622.99 km) |
| Richardson to Amadora | 4,720.81 mi (7,597.42 km) |
| Richardson to Amarante | 4,701.41 mi (7,566.19 km) |
| Richardson to Amares | 4,678.64 mi (7,529.54 km) |
| Richardson to Amora | 4,729.57 mi (7,611.51 km) |
| Richardson to Anadia | 4,708.73 mi (7,577.96 km) |
| Richardson to Angra do Heroismo | 3,820.07 mi (6,147.82 km) |
| Richardson to Ansiao | 4,724.08 mi (7,602.67 km) |
| Richardson to Anta | 4,682.74 mi (7,536.14 km) |
