| Rio Grande City to Alenquer | 5,085.44 mi (8,184.22 km) |
| Rio Grande City to Alfena | 5,056.03 mi (8,136.90 km) |
| Rio Grande City to Alijo | 5,106.05 mi (8,217.39 km) |
| Rio Grande City to Aljustrel | 5,156.75 mi (8,298.99 km) |
| Rio Grande City to Almada | 5,087.46 mi (8,187.48 km) |
| Rio Grande City to Almargem | 5,077.65 mi (8,171.68 km) |
| Rio Grande City to Almeirim | 5,101.72 mi (8,210.43 km) |
| Rio Grande City to Amadora | 5,082.38 mi (8,179.30 km) |
| Rio Grande City to Amarante | 5,077.61 mi (8,171.62 km) |
| Rio Grande City to Amares | 5,056.12 mi (8,137.05 km) |
| Rio Grande City to Amora | 5,090.78 mi (8,192.82 km) |
| Rio Grande City to Anadia | 5,080.24 mi (8,175.86 km) |
| Rio Grande City to Angra do Heroismo | 4,153.35 mi (6,684.18 km) |
| Rio Grande City to Ansiao | 5,093.02 mi (8,196.42 km) |
| Rio Grande City to Anta | 5,056.79 mi (8,138.12 km) |
