| Sona to Arcozelo | 1,022.72 mi (1,645.91 km) |
| Sona to Arganil | 1,019.70 mi (1,641.05 km) |
| Sona to Arouca | 1,007.35 mi (1,621.17 km) |
| Sona to Arruda dos Vinhos | 1,107.83 mi (1,782.89 km) |
| Sona to Aveiro | 1,035.28 mi (1,666.13 km) |
| Sona to Aver-o-Mar | 1,019.48 mi (1,640.70 km) |
| Sona to Aves | 996.08 mi (1,603.03 km) |
| Sona to Azambuja | 1,095.66 mi (1,763.29 km) |
| Sona to Baiao | 990.74 mi (1,594.43 km) |
| Sona to Barcelos | 1,009.23 mi (1,624.20 km) |
| Sona to Barreiro | 1,118.97 mi (1,800.82 km) |
| Sona to Batalha | 1,072.91 mi (1,726.68 km) |
| Sona to Beja | 1,088.42 mi (1,751.64 km) |
| Sona to Belas | 1,124.61 mi (1,809.88 km) |
| Sona to Benavente | 1,096.04 mi (1,763.91 km) |
