| Trentham to Arcos de Valdevez | 820.85 mi (1,321.03 km) |
| Trentham to Arcozelo | 876.38 mi (1,410.40 km) |
| Trentham to Arganil | 923.00 mi (1,485.43 km) |
| Trentham to Arouca | 878.27 mi (1,413.43 km) |
| Trentham to Arruda dos Vinhos | 1,019.85 mi (1,641.29 km) |
| Trentham to Aveiro | 904.34 mi (1,455.40 km) |
| Trentham to Aver-o-Mar | 855.65 mi (1,377.04 km) |
| Trentham to Aves | 845.70 mi (1,361.02 km) |
| Trentham to Azambuja | 1,011.31 mi (1,627.55 km) |
| Trentham to Baiao | 859.69 mi (1,383.54 km) |
| Trentham to Barcelos | 845.75 mi (1,361.10 km) |
| Trentham to Barreiro | 1,040.85 mi (1,675.08 km) |
| Trentham to Batalha | 971.63 mi (1,563.69 km) |
| Trentham to Beja | 1,067.13 mi (1,717.38 km) |
| Trentham to Belas | 1,036.76 mi (1,668.50 km) |
