| Ustron to Alfena | 1,437.79 mi (2,313.90 km) |
| Ustron to Alijo | 1,390.85 mi (2,238.35 km) |
| Ustron to Aljustrel | 1,560.05 mi (2,510.66 km) |
| Ustron to Almada | 1,568.38 mi (2,524.06 km) |
| Ustron to Almargem | 1,566.06 mi (2,520.33 km) |
| Ustron to Almeirim | 1,523.36 mi (2,451.61 km) |
| Ustron to Amadora | 1,569.30 mi (2,525.54 km) |
| Ustron to Amarante | 1,416.81 mi (2,280.13 km) |
| Ustron to Amares | 1,415.22 mi (2,277.58 km) |
| Ustron to Amora | 1,569.01 mi (2,525.08 km) |
| Ustron to Anadia | 1,465.07 mi (2,357.80 km) |
| Ustron to Angra do Heroismo | 2,362.99 mi (3,802.87 km) |
| Ustron to Ansiao | 1,485.86 mi (2,391.25 km) |
| Ustron to Anta | 1,450.92 mi (2,335.04 km) |
| Ustron to Arcos de Valdevez | 1,410.44 mi (2,269.88 km) |
