| Rietavas to Alfena | 1,694.46 mi (2,726.97 km) |
| Rietavas to Alijo | 1,655.20 mi (2,663.79 km) |
| Rietavas to Aljustrel | 1,855.04 mi (2,985.39 km) |
| Rietavas to Almada | 1,848.51 mi (2,974.89 km) |
| Rietavas to Almargem | 1,843.66 mi (2,967.08 km) |
| Rietavas to Almeirim | 1,802.30 mi (2,900.52 km) |
| Rietavas to Amadora | 1,848.33 mi (2,974.60 km) |
| Rietavas to Amarante | 1,676.67 mi (2,698.34 km) |
| Rietavas to Amares | 1,668.68 mi (2,685.48 km) |
| Rietavas to Amora | 1,849.98 mi (2,977.25 km) |
| Rietavas to Anadia | 1,731.96 mi (2,787.33 km) |
| Rietavas to Angra do Heroismo | 2,522.02 mi (4,058.80 km) |
| Rietavas to Ansiao | 1,758.55 mi (2,830.11 km) |
| Rietavas to Anta | 1,709.62 mi (2,751.37 km) |
| Rietavas to Arcos de Valdevez | 1,660.31 mi (2,672.02 km) |
