| Sona to Alfena | 1,012.26 mi (1,629.07 km) |
| Sona to Alijo | 961.12 mi (1,546.77 km) |
| Sona to Aljustrel | 1,105.72 mi (1,779.49 km) |
| Sona to Almada | 1,122.72 mi (1,806.85 km) |
| Sona to Almargem | 1,122.07 mi (1,805.79 km) |
| Sona to Almeirim | 1,079.45 mi (1,737.21 km) |
| Sona to Amadora | 1,124.32 mi (1,809.41 km) |
| Sona to Amarante | 989.58 mi (1,592.58 km) |
| Sona to Amares | 993.06 mi (1,598.18 km) |
| Sona to Amora | 1,122.82 mi (1,807.01 km) |
| Sona to Anadia | 1,030.98 mi (1,659.19 km) |
| Sona to Angra do Heroismo | 1,987.84 mi (3,199.11 km) |
| Sona to Ansiao | 1,047.07 mi (1,685.10 km) |
| Sona to Anta | 1,023.38 mi (1,646.96 km) |
| Sona to Arcos de Valdevez | 991.34 mi (1,595.41 km) |
