| Viadana to Arcozelo | 1,001.89 mi (1,612.39 km) |
| Viadana to Arganil | 996.82 mi (1,604.23 km) |
| Viadana to Arouca | 986.01 mi (1,586.83 km) |
| Viadana to Arruda dos Vinhos | 1,083.50 mi (1,743.72 km) |
| Viadana to Aveiro | 1,013.62 mi (1,631.26 km) |
| Viadana to Aver-o-Mar | 999.45 mi (1,608.46 km) |
| Viadana to Aves | 975.83 mi (1,570.44 km) |
| Viadana to Azambuja | 1,071.31 mi (1,724.11 km) |
| Viadana to Baiao | 969.74 mi (1,560.64 km) |
| Viadana to Barcelos | 989.34 mi (1,592.20 km) |
| Viadana to Barreiro | 1,094.13 mi (1,760.83 km) |
| Viadana to Batalha | 1,049.52 mi (1,689.03 km) |
| Viadana to Beja | 1,061.72 mi (1,708.67 km) |
| Viadana to Belas | 1,100.08 mi (1,770.41 km) |
| Viadana to Benavente | 1,071.48 mi (1,724.38 km) |
